Home / 10,366.13-15,549.13-2,970.61

Finding the Fourth Proportional to 10,366.13, 15,549.13 and 2,970.61

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Solution

The fourth proportional to 10,366.13, 15,549.13 and 2,970.61 is: 4,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.13 : 15,549.13 = 2,970.61 : x
  2. Step 2: Convert to fraction form
    10,366.13/15,549.13 = 2,970.61/x
  3. Step 3: Cross multiply
    10,366.13x = 15,549.13 × 2,970.61
  4. Step 4: Simplify right side
    10,366.13x = 46,190,365.91
  5. Step 5: Solve for x
    x = 46,190,365.91/10,366.13
  6. Step 6: Final answer
    x = 4,455.89

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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.