Home / 15,589.92-21,501.93-13,799.31

Finding the Fourth Proportional to 15,589.92, 21,501.93 and 13,799.31

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Solution

The fourth proportional to 15,589.92, 21,501.93 and 13,799.31 is: 19,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.92 : 21,501.93 = 13,799.31 : x
  2. Step 2: Convert to fraction form
    15,589.92/21,501.93 = 13,799.31/x
  3. Step 3: Cross multiply
    15,589.92x = 21,501.93 × 13,799.31
  4. Step 4: Simplify right side
    15,589.92x = 296,711,850.92
  5. Step 5: Solve for x
    x = 296,711,850.92/15,589.92
  6. Step 6: Final answer
    x = 19,032.29

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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.