Home / 10,484.80-14,437.92-8,981.44

Finding the Fourth Proportional to 10,484.80, 14,437.92 and 8,981.44

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Solution

The fourth proportional to 10,484.80, 14,437.92 and 8,981.44 is: 12,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.80 : 14,437.92 = 8,981.44 : x
  2. Step 2: Convert to fraction form
    10,484.80/14,437.92 = 8,981.44/x
  3. Step 3: Cross multiply
    10,484.80x = 14,437.92 × 8,981.44
  4. Step 4: Simplify right side
    10,484.80x = 129,673,312.20
  5. Step 5: Solve for x
    x = 129,673,312.20/10,484.80
  6. Step 6: Final answer
    x = 12,367.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.