Home / 14,456.70-21,641.85-8,610.30

Finding the Fourth Proportional to 14,456.70, 21,641.85 and 8,610.30

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Solution

The fourth proportional to 14,456.70, 21,641.85 and 8,610.30 is: 12,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.70 : 21,641.85 = 8,610.30 : x
  2. Step 2: Convert to fraction form
    14,456.70/21,641.85 = 8,610.30/x
  3. Step 3: Cross multiply
    14,456.70x = 21,641.85 × 8,610.30
  4. Step 4: Simplify right side
    14,456.70x = 186,342,821.06
  5. Step 5: Solve for x
    x = 186,342,821.06/14,456.70
  6. Step 6: Final answer
    x = 12,889.72

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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.