Home / 14,233.30-21,353.15-8,386.90

Finding the Fourth Proportional to 14,233.30, 21,353.15 and 8,386.90

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Solution

The fourth proportional to 14,233.30, 21,353.15 and 8,386.90 is: 12,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.30 : 21,353.15 = 8,386.90 : x
  2. Step 2: Convert to fraction form
    14,233.30/21,353.15 = 8,386.90/x
  3. Step 3: Cross multiply
    14,233.30x = 21,353.15 × 8,386.90
  4. Step 4: Simplify right side
    14,233.30x = 179,086,733.74
  5. Step 5: Solve for x
    x = 179,086,733.74/14,233.30
  6. Step 6: Final answer
    x = 12,582.24

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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.