Home / 11,612.52-16,024.80-6,307.20

Finding the Fourth Proportional to 11,612.52, 16,024.80 and 6,307.20

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Solution

The fourth proportional to 11,612.52, 16,024.80 and 6,307.20 is: 8,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.52 : 16,024.80 = 6,307.20 : x
  2. Step 2: Convert to fraction form
    11,612.52/16,024.80 = 6,307.20/x
  3. Step 3: Cross multiply
    11,612.52x = 16,024.80 × 6,307.20
  4. Step 4: Simplify right side
    11,612.52x = 101,071,618.56
  5. Step 5: Solve for x
    x = 101,071,618.56/11,612.52
  6. Step 6: Final answer
    x = 8,703.68

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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.