Home / 13,776.48-20,666.34-4,416.93

Finding the Fourth Proportional to 13,776.48, 20,666.34 and 4,416.93

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Solution

The fourth proportional to 13,776.48, 20,666.34 and 4,416.93 is: 6,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.48 : 20,666.34 = 4,416.93 : x
  2. Step 2: Convert to fraction form
    13,776.48/20,666.34 = 4,416.93/x
  3. Step 3: Cross multiply
    13,776.48x = 20,666.34 × 4,416.93
  4. Step 4: Simplify right side
    13,776.48x = 91,281,777.14
  5. Step 5: Solve for x
    x = 91,281,777.14/13,776.48
  6. Step 6: Final answer
    x = 6,625.91

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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.