Home / 21,657.33-32,490.05-6,862.28

Finding the Fourth Proportional to 21,657.33, 32,490.05 and 6,862.28

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Solution

The fourth proportional to 21,657.33, 32,490.05 and 6,862.28 is: 10,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.33 : 32,490.05 = 6,862.28 : x
  2. Step 2: Convert to fraction form
    21,657.33/32,490.05 = 6,862.28/x
  3. Step 3: Cross multiply
    21,657.33x = 32,490.05 × 6,862.28
  4. Step 4: Simplify right side
    21,657.33x = 222,955,623.55
  5. Step 5: Solve for x
    x = 222,955,623.55/21,657.33
  6. Step 6: Final answer
    x = 10,294.70

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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.