Home / 10,176.12-14,035.76-9,339.52

Finding the Fourth Proportional to 10,176.12, 14,035.76 and 9,339.52

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Solution

The fourth proportional to 10,176.12, 14,035.76 and 9,339.52 is: 12,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.12 : 14,035.76 = 9,339.52 : x
  2. Step 2: Convert to fraction form
    10,176.12/14,035.76 = 9,339.52/x
  3. Step 3: Cross multiply
    10,176.12x = 14,035.76 × 9,339.52
  4. Step 4: Simplify right side
    10,176.12x = 131,087,261.24
  5. Step 5: Solve for x
    x = 131,087,261.24/10,176.12
  6. Step 6: Final answer
    x = 12,881.85

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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.