Home / 15,345.28-23,019.23-4,251.97

Finding the Fourth Proportional to 15,345.28, 23,019.23 and 4,251.97

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Solution

The fourth proportional to 15,345.28, 23,019.23 and 4,251.97 is: 6,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.28 : 23,019.23 = 4,251.97 : x
  2. Step 2: Convert to fraction form
    15,345.28/23,019.23 = 4,251.97/x
  3. Step 3: Cross multiply
    15,345.28x = 23,019.23 × 4,251.97
  4. Step 4: Simplify right side
    15,345.28x = 97,877,075.38
  5. Step 5: Solve for x
    x = 97,877,075.38/15,345.28
  6. Step 6: Final answer
    x = 6,378.32

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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.