Home / 10,634.09-14,670.18-9,781.16

Finding the Fourth Proportional to 10,634.09, 14,670.18 and 9,781.16

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Solution

The fourth proportional to 10,634.09, 14,670.18 and 9,781.16 is: 13,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.09 : 14,670.18 = 9,781.16 : x
  2. Step 2: Convert to fraction form
    10,634.09/14,670.18 = 9,781.16/x
  3. Step 3: Cross multiply
    10,634.09x = 14,670.18 × 9,781.16
  4. Step 4: Simplify right side
    10,634.09x = 143,491,304.46
  5. Step 5: Solve for x
    x = 143,491,304.46/10,634.09
  6. Step 6: Final answer
    x = 13,493.53

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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.