Home / 14,088.30-21,132.43-4,227.57

Finding the Fourth Proportional to 14,088.30, 21,132.43 and 4,227.57

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Solution

The fourth proportional to 14,088.30, 21,132.43 and 4,227.57 is: 6,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.30 : 21,132.43 = 4,227.57 : x
  2. Step 2: Convert to fraction form
    14,088.30/21,132.43 = 4,227.57/x
  3. Step 3: Cross multiply
    14,088.30x = 21,132.43 × 4,227.57
  4. Step 4: Simplify right side
    14,088.30x = 89,338,827.10
  5. Step 5: Solve for x
    x = 89,338,827.10/14,088.30
  6. Step 6: Final answer
    x = 6,341.35

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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.