Home / 9,187.92-13,770.95-5,284.13

Finding the Fourth Proportional to 9,187.92, 13,770.95 and 5,284.13

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Solution

The fourth proportional to 9,187.92, 13,770.95 and 5,284.13 is: 7,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.92 : 13,770.95 = 5,284.13 : x
  2. Step 2: Convert to fraction form
    9,187.92/13,770.95 = 5,284.13/x
  3. Step 3: Cross multiply
    9,187.92x = 13,770.95 × 5,284.13
  4. Step 4: Simplify right side
    9,187.92x = 72,767,394.75
  5. Step 5: Solve for x
    x = 72,767,394.75/9,187.92
  6. Step 6: Final answer
    x = 7,919.90

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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.