Home / 10,157.05-14,016.09-5,681.13

Finding the Fourth Proportional to 10,157.05, 14,016.09 and 5,681.13

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Solution

The fourth proportional to 10,157.05, 14,016.09 and 5,681.13 is: 7,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.05 : 14,016.09 = 5,681.13 : x
  2. Step 2: Convert to fraction form
    10,157.05/14,016.09 = 5,681.13/x
  3. Step 3: Cross multiply
    10,157.05x = 14,016.09 × 5,681.13
  4. Step 4: Simplify right side
    10,157.05x = 79,627,229.38
  5. Step 5: Solve for x
    x = 79,627,229.38/10,157.05
  6. Step 6: Final answer
    x = 7,839.60

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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.