Home / 10,864.47-14,990.52-6,617.73

Finding the Fourth Proportional to 10,864.47, 14,990.52 and 6,617.73

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Solution

The fourth proportional to 10,864.47, 14,990.52 and 6,617.73 is: 9,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.47 : 14,990.52 = 6,617.73 : x
  2. Step 2: Convert to fraction form
    10,864.47/14,990.52 = 6,617.73/x
  3. Step 3: Cross multiply
    10,864.47x = 14,990.52 × 6,617.73
  4. Step 4: Simplify right side
    10,864.47x = 99,203,213.92
  5. Step 5: Solve for x
    x = 99,203,213.92/10,864.47
  6. Step 6: Final answer
    x = 9,130.98

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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.