Home / 15,403.20-23,104.80-10,154.40

Finding the Fourth Proportional to 15,403.20, 23,104.80 and 10,154.40

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Solution

The fourth proportional to 15,403.20, 23,104.80 and 10,154.40 is: 15,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.20 : 23,104.80 = 10,154.40 : x
  2. Step 2: Convert to fraction form
    15,403.20/23,104.80 = 10,154.40/x
  3. Step 3: Cross multiply
    15,403.20x = 23,104.80 × 10,154.40
  4. Step 4: Simplify right side
    15,403.20x = 234,615,381.12
  5. Step 5: Solve for x
    x = 234,615,381.12/15,403.20
  6. Step 6: Final answer
    x = 15,231.60

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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.