Home / 11,553.48-15,943.80-6,248.30

Finding the Fourth Proportional to 11,553.48, 15,943.80 and 6,248.30

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Solution

The fourth proportional to 11,553.48, 15,943.80 and 6,248.30 is: 8,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.48 : 15,943.80 = 6,248.30 : x
  2. Step 2: Convert to fraction form
    11,553.48/15,943.80 = 6,248.30/x
  3. Step 3: Cross multiply
    11,553.48x = 15,943.80 × 6,248.30
  4. Step 4: Simplify right side
    11,553.48x = 99,621,565.82
  5. Step 5: Solve for x
    x = 99,621,565.82/11,553.48
  6. Step 6: Final answer
    x = 8,622.65

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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.