Home / 10,923.11-15,073.88-6,207.40

Finding the Fourth Proportional to 10,923.11, 15,073.88 and 6,207.40

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Solution

The fourth proportional to 10,923.11, 15,073.88 and 6,207.40 is: 8,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.11 : 15,073.88 = 6,207.40 : x
  2. Step 2: Convert to fraction form
    10,923.11/15,073.88 = 6,207.40/x
  3. Step 3: Cross multiply
    10,923.11x = 15,073.88 × 6,207.40
  4. Step 4: Simplify right side
    10,923.11x = 93,569,496.31
  5. Step 5: Solve for x
    x = 93,569,496.31/10,923.11
  6. Step 6: Final answer
    x = 8,566.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.