Home / 14,332.60-21,498.90-8,486.20

Finding the Fourth Proportional to 14,332.60, 21,498.90 and 8,486.20

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Solution

The fourth proportional to 14,332.60, 21,498.90 and 8,486.20 is: 12,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.60 : 21,498.90 = 8,486.20 : x
  2. Step 2: Convert to fraction form
    14,332.60/21,498.90 = 8,486.20/x
  3. Step 3: Cross multiply
    14,332.60x = 21,498.90 × 8,486.20
  4. Step 4: Simplify right side
    14,332.60x = 182,443,965.18
  5. Step 5: Solve for x
    x = 182,443,965.18/14,332.60
  6. Step 6: Final answer
    x = 12,729.30

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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.