Home / 14,587.56-21,866.76-13,489.20

Finding the Fourth Proportional to 14,587.56, 21,866.76 and 13,489.20

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Solution

The fourth proportional to 14,587.56, 21,866.76 and 13,489.20 is: 20,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.56 : 21,866.76 = 13,489.20 : x
  2. Step 2: Convert to fraction form
    14,587.56/21,866.76 = 13,489.20/x
  3. Step 3: Cross multiply
    14,587.56x = 21,866.76 × 13,489.20
  4. Step 4: Simplify right side
    14,587.56x = 294,965,098.99
  5. Step 5: Solve for x
    x = 294,965,098.99/14,587.56
  6. Step 6: Final answer
    x = 20,220.32

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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.