Home / 10,681.96-14,729.78-7,329.66

Finding the Fourth Proportional to 10,681.96, 14,729.78 and 7,329.66

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Solution

The fourth proportional to 10,681.96, 14,729.78 and 7,329.66 is: 10,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.96 : 14,729.78 = 7,329.66 : x
  2. Step 2: Convert to fraction form
    10,681.96/14,729.78 = 7,329.66/x
  3. Step 3: Cross multiply
    10,681.96x = 14,729.78 × 7,329.66
  4. Step 4: Simplify right side
    10,681.96x = 107,964,279.27
  5. Step 5: Solve for x
    x = 107,964,279.27/10,681.96
  6. Step 6: Final answer
    x = 10,107.16

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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.