Home / 15,989.48-22,065.14-9,275.70

Finding the Fourth Proportional to 15,989.48, 22,065.14 and 9,275.70

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Solution

The fourth proportional to 15,989.48, 22,065.14 and 9,275.70 is: 12,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.48 : 22,065.14 = 9,275.70 : x
  2. Step 2: Convert to fraction form
    15,989.48/22,065.14 = 9,275.70/x
  3. Step 3: Cross multiply
    15,989.48x = 22,065.14 × 9,275.70
  4. Step 4: Simplify right side
    15,989.48x = 204,669,619.10
  5. Step 5: Solve for x
    x = 204,669,619.10/15,989.48
  6. Step 6: Final answer
    x = 12,800.27

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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.