Home / 21,414.29-32,124.51-6,624.36

Finding the Fourth Proportional to 21,414.29, 32,124.51 and 6,624.36

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Solution

The fourth proportional to 21,414.29, 32,124.51 and 6,624.36 is: 9,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.29 : 32,124.51 = 6,624.36 : x
  2. Step 2: Convert to fraction form
    21,414.29/32,124.51 = 6,624.36/x
  3. Step 3: Cross multiply
    21,414.29x = 32,124.51 × 6,624.36
  4. Step 4: Simplify right side
    21,414.29x = 212,804,329.19
  5. Step 5: Solve for x
    x = 212,804,329.19/21,414.29
  6. Step 6: Final answer
    x = 9,937.49

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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.