Home / 10,204.40-15,306.60-8,564.15

Finding the Fourth Proportional to 10,204.40, 15,306.60 and 8,564.15

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Solution

The fourth proportional to 10,204.40, 15,306.60 and 8,564.15 is: 12,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.40 : 15,306.60 = 8,564.15 : x
  2. Step 2: Convert to fraction form
    10,204.40/15,306.60 = 8,564.15/x
  3. Step 3: Cross multiply
    10,204.40x = 15,306.60 × 8,564.15
  4. Step 4: Simplify right side
    10,204.40x = 131,088,018.39
  5. Step 5: Solve for x
    x = 131,088,018.39/10,204.40
  6. Step 6: Final answer
    x = 12,846.23

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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.