Home / 10,204.12-15,291.57-5,812.50

Finding the Fourth Proportional to 10,204.12, 15,291.57 and 5,812.50

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Solution

The fourth proportional to 10,204.12, 15,291.57 and 5,812.50 is: 8,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.12 : 15,291.57 = 5,812.50 : x
  2. Step 2: Convert to fraction form
    10,204.12/15,291.57 = 5,812.50/x
  3. Step 3: Cross multiply
    10,204.12x = 15,291.57 × 5,812.50
  4. Step 4: Simplify right side
    10,204.12x = 88,882,227.40
  5. Step 5: Solve for x
    x = 88,882,227.40/10,204.12
  6. Step 6: Final answer
    x = 8,710.43

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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.