Home / 12,330.16-17,010.84-7,853.11

Finding the Fourth Proportional to 12,330.16, 17,010.84 and 7,853.11

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Solution

The fourth proportional to 12,330.16, 17,010.84 and 7,853.11 is: 10,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.16 : 17,010.84 = 7,853.11 : x
  2. Step 2: Convert to fraction form
    12,330.16/17,010.84 = 7,853.11/x
  3. Step 3: Cross multiply
    12,330.16x = 17,010.84 × 7,853.11
  4. Step 4: Simplify right side
    12,330.16x = 133,587,997.71
  5. Step 5: Solve for x
    x = 133,587,997.71/12,330.16
  6. Step 6: Final answer
    x = 10,834.25

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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.