Home / 14,779.16-20,395.36-8,064.84

Finding the Fourth Proportional to 14,779.16, 20,395.36 and 8,064.84

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Solution

The fourth proportional to 14,779.16, 20,395.36 and 8,064.84 is: 11,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.16 : 20,395.36 = 8,064.84 : x
  2. Step 2: Convert to fraction form
    14,779.16/20,395.36 = 8,064.84/x
  3. Step 3: Cross multiply
    14,779.16x = 20,395.36 × 8,064.84
  4. Step 4: Simplify right side
    14,779.16x = 164,485,315.14
  5. Step 5: Solve for x
    x = 164,485,315.14/14,779.16
  6. Step 6: Final answer
    x = 11,129.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.