Home / 10,084.88-13,885.34-9,150.70

Finding the Fourth Proportional to 10,084.88, 13,885.34 and 9,150.70

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Solution

The fourth proportional to 10,084.88, 13,885.34 and 9,150.70 is: 12,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.88 : 13,885.34 = 9,150.70 : x
  2. Step 2: Convert to fraction form
    10,084.88/13,885.34 = 9,150.70/x
  3. Step 3: Cross multiply
    10,084.88x = 13,885.34 × 9,150.70
  4. Step 4: Simplify right side
    10,084.88x = 127,060,580.74
  5. Step 5: Solve for x
    x = 127,060,580.74/10,084.88
  6. Step 6: Final answer
    x = 12,599.12

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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.