Home / 10,399.26-15,655.05-9,495.30

Finding the Fourth Proportional to 10,399.26, 15,655.05 and 9,495.30

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Solution

The fourth proportional to 10,399.26, 15,655.05 and 9,495.30 is: 14,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.26 : 15,655.05 = 9,495.30 : x
  2. Step 2: Convert to fraction form
    10,399.26/15,655.05 = 9,495.30/x
  3. Step 3: Cross multiply
    10,399.26x = 15,655.05 × 9,495.30
  4. Step 4: Simplify right side
    10,399.26x = 148,649,396.27
  5. Step 5: Solve for x
    x = 148,649,396.27/10,399.26
  6. Step 6: Final answer
    x = 14,294.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.