Home / 8,666.16-12,999.24-5,586

Finding the Fourth Proportional to 8,666.16, 12,999.24 and 5,586

Calculator

Solution

The fourth proportional to 8,666.16, 12,999.24 and 5,586 is: 8,379

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.16 : 12,999.24 = 5,586 : x
  2. Step 2: Convert to fraction form
    8,666.16/12,999.24 = 5,586/x
  3. Step 3: Cross multiply
    8,666.16x = 12,999.24 × 5,586
  4. Step 4: Simplify right side
    8,666.16x = 72,613,754.64
  5. Step 5: Solve for x
    x = 72,613,754.64/8,666.16
  6. Step 6: Final answer
    x = 8,379

Related Problems

Find fourth proportional to 4,333.08, 6,499.62 and 2,793
Half scale
Find fourth proportional to 17,332.32, 25,998.48 and 11,172
Double scale
Find fourth proportional to 8,667.16, 13,000.74 and 5,587
Similar ratio
Find fourth proportional to 12,999.24, 19,498.86 and 8,379
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.