Home / 16,312.98-24,471.22-5,215.70

Finding the Fourth Proportional to 16,312.98, 24,471.22 and 5,215.70

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Solution

The fourth proportional to 16,312.98, 24,471.22 and 5,215.70 is: 7,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.98 : 24,471.22 = 5,215.70 : x
  2. Step 2: Convert to fraction form
    16,312.98/24,471.22 = 5,215.70/x
  3. Step 3: Cross multiply
    16,312.98x = 24,471.22 × 5,215.70
  4. Step 4: Simplify right side
    16,312.98x = 127,634,542.15
  5. Step 5: Solve for x
    x = 127,634,542.15/16,312.98
  6. Step 6: Final answer
    x = 7,824.11

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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.