Home / 12,553.52-18,838.90-4,345.52

Finding the Fourth Proportional to 12,553.52, 18,838.90 and 4,345.52

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Solution

The fourth proportional to 12,553.52, 18,838.90 and 4,345.52 is: 6,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.52 : 18,838.90 = 4,345.52 : x
  2. Step 2: Convert to fraction form
    12,553.52/18,838.90 = 4,345.52/x
  3. Step 3: Cross multiply
    12,553.52x = 18,838.90 × 4,345.52
  4. Step 4: Simplify right side
    12,553.52x = 81,864,816.73
  5. Step 5: Solve for x
    x = 81,864,816.73/12,553.52
  6. Step 6: Final answer
    x = 6,521.26

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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.