Home / 15,259.49-21,057.85-8,545.06

Finding the Fourth Proportional to 15,259.49, 21,057.85 and 8,545.06

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Solution

The fourth proportional to 15,259.49, 21,057.85 and 8,545.06 is: 11,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.49 : 21,057.85 = 8,545.06 : x
  2. Step 2: Convert to fraction form
    15,259.49/21,057.85 = 8,545.06/x
  3. Step 3: Cross multiply
    15,259.49x = 21,057.85 × 8,545.06
  4. Step 4: Simplify right side
    15,259.49x = 179,940,515.85
  5. Step 5: Solve for x
    x = 179,940,515.85/15,259.49
  6. Step 6: Final answer
    x = 11,792.04

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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.