Home / 15,230.70-21,004.74-9,565.97

Finding the Fourth Proportional to 15,230.70, 21,004.74 and 9,565.97

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Solution

The fourth proportional to 15,230.70, 21,004.74 and 9,565.97 is: 13,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.70 : 21,004.74 = 9,565.97 : x
  2. Step 2: Convert to fraction form
    15,230.70/21,004.74 = 9,565.97/x
  3. Step 3: Cross multiply
    15,230.70x = 21,004.74 × 9,565.97
  4. Step 4: Simplify right side
    15,230.70x = 200,930,607.67
  5. Step 5: Solve for x
    x = 200,930,607.67/15,230.70
  6. Step 6: Final answer
    x = 13,192.47

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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.