Home / 15,394.38-23,087-4,298.40

Finding the Fourth Proportional to 15,394.38, 23,087 and 4,298.40

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Solution

The fourth proportional to 15,394.38, 23,087 and 4,298.40 is: 6,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,394.38 : 23,087 = 4,298.40 : x
  2. Step 2: Convert to fraction form
    15,394.38/23,087 = 4,298.40/x
  3. Step 3: Cross multiply
    15,394.38x = 23,087 × 4,298.40
  4. Step 4: Simplify right side
    15,394.38x = 99,237,160.80
  5. Step 5: Solve for x
    x = 99,237,160.80/15,394.38
  6. Step 6: Final answer
    x = 6,446.32

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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.