Home / 21,702.40-32,545.50-9,223.38

Finding the Fourth Proportional to 21,702.40, 32,545.50 and 9,223.38

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Solution

The fourth proportional to 21,702.40, 32,545.50 and 9,223.38 is: 13,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.40 : 32,545.50 = 9,223.38 : x
  2. Step 2: Convert to fraction form
    21,702.40/32,545.50 = 9,223.38/x
  3. Step 3: Cross multiply
    21,702.40x = 32,545.50 × 9,223.38
  4. Step 4: Simplify right side
    21,702.40x = 300,179,513.79
  5. Step 5: Solve for x
    x = 300,179,513.79/21,702.40
  6. Step 6: Final answer
    x = 13,831.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.