Home / 15,473.64-23,222.76-5,615.76

Finding the Fourth Proportional to 15,473.64, 23,222.76 and 5,615.76

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Solution

The fourth proportional to 15,473.64, 23,222.76 and 5,615.76 is: 8,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.64 : 23,222.76 = 5,615.76 : x
  2. Step 2: Convert to fraction form
    15,473.64/23,222.76 = 5,615.76/x
  3. Step 3: Cross multiply
    15,473.64x = 23,222.76 × 5,615.76
  4. Step 4: Simplify right side
    15,473.64x = 130,413,446.70
  5. Step 5: Solve for x
    x = 130,413,446.70/15,473.64
  6. Step 6: Final answer
    x = 8,428.10

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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.