Home / 14,352.30-21,490.11-8,424.27

Finding the Fourth Proportional to 14,352.30, 21,490.11 and 8,424.27

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Solution

The fourth proportional to 14,352.30, 21,490.11 and 8,424.27 is: 12,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.30 : 21,490.11 = 8,424.27 : x
  2. Step 2: Convert to fraction form
    14,352.30/21,490.11 = 8,424.27/x
  3. Step 3: Cross multiply
    14,352.30x = 21,490.11 × 8,424.27
  4. Step 4: Simplify right side
    14,352.30x = 181,038,488.97
  5. Step 5: Solve for x
    x = 181,038,488.97/14,352.30
  6. Step 6: Final answer
    x = 12,613.90

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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.