Home / 15,350.20-23,038.80-9,102.40

Finding the Fourth Proportional to 15,350.20, 23,038.80 and 9,102.40

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Solution

The fourth proportional to 15,350.20, 23,038.80 and 9,102.40 is: 13,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.20 : 23,038.80 = 9,102.40 : x
  2. Step 2: Convert to fraction form
    15,350.20/23,038.80 = 9,102.40/x
  3. Step 3: Cross multiply
    15,350.20x = 23,038.80 × 9,102.40
  4. Step 4: Simplify right side
    15,350.20x = 209,708,373.12
  5. Step 5: Solve for x
    x = 209,708,373.12/15,350.20
  6. Step 6: Final answer
    x = 13,661.61

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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.