Home / 10,105.48-15,148.90-9,275.23

Finding the Fourth Proportional to 10,105.48, 15,148.90 and 9,275.23

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Solution

The fourth proportional to 10,105.48, 15,148.90 and 9,275.23 is: 13,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.48 : 15,148.90 = 9,275.23 : x
  2. Step 2: Convert to fraction form
    10,105.48/15,148.90 = 9,275.23/x
  3. Step 3: Cross multiply
    10,105.48x = 15,148.90 × 9,275.23
  4. Step 4: Simplify right side
    10,105.48x = 140,509,531.75
  5. Step 5: Solve for x
    x = 140,509,531.75/10,105.48
  6. Step 6: Final answer
    x = 13,904.29

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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.