Home / 10,320.16-14,252.61-8,534.11

Finding the Fourth Proportional to 10,320.16, 14,252.61 and 8,534.11

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Solution

The fourth proportional to 10,320.16, 14,252.61 and 8,534.11 is: 11,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.16 : 14,252.61 = 8,534.11 : x
  2. Step 2: Convert to fraction form
    10,320.16/14,252.61 = 8,534.11/x
  3. Step 3: Cross multiply
    10,320.16x = 14,252.61 × 8,534.11
  4. Step 4: Simplify right side
    10,320.16x = 121,633,341.53
  5. Step 5: Solve for x
    x = 121,633,341.53/10,320.16
  6. Step 6: Final answer
    x = 11,785.99

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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.