Home / 15,262.50-21,061.10-9,293.51

Finding the Fourth Proportional to 15,262.50, 21,061.10 and 9,293.51

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Solution

The fourth proportional to 15,262.50, 21,061.10 and 9,293.51 is: 12,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.50 : 21,061.10 = 9,293.51 : x
  2. Step 2: Convert to fraction form
    15,262.50/21,061.10 = 9,293.51/x
  3. Step 3: Cross multiply
    15,262.50x = 21,061.10 × 9,293.51
  4. Step 4: Simplify right side
    15,262.50x = 195,731,391.69
  5. Step 5: Solve for x
    x = 195,731,391.69/15,262.50
  6. Step 6: Final answer
    x = 12,824.33

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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.