Home / 10,180.52-15,247.07-9,900.23

Finding the Fourth Proportional to 10,180.52, 15,247.07 and 9,900.23

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Solution

The fourth proportional to 10,180.52, 15,247.07 and 9,900.23 is: 14,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.52 : 15,247.07 = 9,900.23 : x
  2. Step 2: Convert to fraction form
    10,180.52/15,247.07 = 9,900.23/x
  3. Step 3: Cross multiply
    10,180.52x = 15,247.07 × 9,900.23
  4. Step 4: Simplify right side
    10,180.52x = 150,949,411.22
  5. Step 5: Solve for x
    x = 150,949,411.22/10,180.52
  6. Step 6: Final answer
    x = 14,827.28

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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.