Home / 15,345.70-23,017.20-4,251.40

Finding the Fourth Proportional to 15,345.70, 23,017.20 and 4,251.40

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Solution

The fourth proportional to 15,345.70, 23,017.20 and 4,251.40 is: 6,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.70 : 23,017.20 = 4,251.40 : x
  2. Step 2: Convert to fraction form
    15,345.70/23,017.20 = 4,251.40/x
  3. Step 3: Cross multiply
    15,345.70x = 23,017.20 × 4,251.40
  4. Step 4: Simplify right side
    15,345.70x = 97,855,324.08
  5. Step 5: Solve for x
    x = 97,855,324.08/15,345.70
  6. Step 6: Final answer
    x = 6,376.73

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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.