Home / 9,329.95-12,876.51-5,350.98

Finding the Fourth Proportional to 9,329.95, 12,876.51 and 5,350.98

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Solution

The fourth proportional to 9,329.95, 12,876.51 and 5,350.98 is: 7,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.95 : 12,876.51 = 5,350.98 : x
  2. Step 2: Convert to fraction form
    9,329.95/12,876.51 = 5,350.98/x
  3. Step 3: Cross multiply
    9,329.95x = 12,876.51 × 5,350.98
  4. Step 4: Simplify right side
    9,329.95x = 68,901,897.21
  5. Step 5: Solve for x
    x = 68,901,897.21/9,329.95
  6. Step 6: Final answer
    x = 7,385.02

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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.