Home / 9,379.70-14,062.56-5,681.12

Finding the Fourth Proportional to 9,379.70, 14,062.56 and 5,681.12

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Solution

The fourth proportional to 9,379.70, 14,062.56 and 5,681.12 is: 8,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.70 : 14,062.56 = 5,681.12 : x
  2. Step 2: Convert to fraction form
    9,379.70/14,062.56 = 5,681.12/x
  3. Step 3: Cross multiply
    9,379.70x = 14,062.56 × 5,681.12
  4. Step 4: Simplify right side
    9,379.70x = 79,891,090.87
  5. Step 5: Solve for x
    x = 79,891,090.87/9,379.70
  6. Step 6: Final answer
    x = 8,517.45

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1.5x scale

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.