Home / 15,983.31-22,057.02-8,715.35

Finding the Fourth Proportional to 15,983.31, 22,057.02 and 8,715.35

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Solution

The fourth proportional to 15,983.31, 22,057.02 and 8,715.35 is: 12,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.31 : 22,057.02 = 8,715.35 : x
  2. Step 2: Convert to fraction form
    15,983.31/22,057.02 = 8,715.35/x
  3. Step 3: Cross multiply
    15,983.31x = 22,057.02 × 8,715.35
  4. Step 4: Simplify right side
    15,983.31x = 192,234,555.82
  5. Step 5: Solve for x
    x = 192,234,555.82/15,983.31
  6. Step 6: Final answer
    x = 12,027.21

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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.