Home / 9,047.45-13,561.87-5,143.61

Finding the Fourth Proportional to 9,047.45, 13,561.87 and 5,143.61

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Solution

The fourth proportional to 9,047.45, 13,561.87 and 5,143.61 is: 7,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.45 : 13,561.87 = 5,143.61 : x
  2. Step 2: Convert to fraction form
    9,047.45/13,561.87 = 5,143.61/x
  3. Step 3: Cross multiply
    9,047.45x = 13,561.87 × 5,143.61
  4. Step 4: Simplify right side
    9,047.45x = 69,756,889.48
  5. Step 5: Solve for x
    x = 69,756,889.48/9,047.45
  6. Step 6: Final answer
    x = 7,710.12

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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.