Home / 15,423.20-23,097.52-8,829.40

Finding the Fourth Proportional to 15,423.20, 23,097.52 and 8,829.40

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Solution

The fourth proportional to 15,423.20, 23,097.52 and 8,829.40 is: 13,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.20 : 23,097.52 = 8,829.40 : x
  2. Step 2: Convert to fraction form
    15,423.20/23,097.52 = 8,829.40/x
  3. Step 3: Cross multiply
    15,423.20x = 23,097.52 × 8,829.40
  4. Step 4: Simplify right side
    15,423.20x = 203,937,243.09
  5. Step 5: Solve for x
    x = 203,937,243.09/15,423.20
  6. Step 6: Final answer
    x = 13,222.76

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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.