Home / 10,138.07-14,000.15-9,585.84

Finding the Fourth Proportional to 10,138.07, 14,000.15 and 9,585.84

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Solution

The fourth proportional to 10,138.07, 14,000.15 and 9,585.84 is: 13,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.07 : 14,000.15 = 9,585.84 : x
  2. Step 2: Convert to fraction form
    10,138.07/14,000.15 = 9,585.84/x
  3. Step 3: Cross multiply
    10,138.07x = 14,000.15 × 9,585.84
  4. Step 4: Simplify right side
    10,138.07x = 134,203,149.95
  5. Step 5: Solve for x
    x = 134,203,149.95/10,138.07
  6. Step 6: Final answer
    x = 13,237.55

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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.