Home / 9,069.29-13,601.01-8,478.95

Finding the Fourth Proportional to 9,069.29, 13,601.01 and 8,478.95

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Solution

The fourth proportional to 9,069.29, 13,601.01 and 8,478.95 is: 12,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.29 : 13,601.01 = 8,478.95 : x
  2. Step 2: Convert to fraction form
    9,069.29/13,601.01 = 8,478.95/x
  3. Step 3: Cross multiply
    9,069.29x = 13,601.01 × 8,478.95
  4. Step 4: Simplify right side
    9,069.29x = 115,322,362.29
  5. Step 5: Solve for x
    x = 115,322,362.29/9,069.29
  6. Step 6: Final answer
    x = 12,715.70

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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.