Home / 9,037.28-13,495.78-8,939.54

Finding the Fourth Proportional to 9,037.28, 13,495.78 and 8,939.54

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Solution

The fourth proportional to 9,037.28, 13,495.78 and 8,939.54 is: 13,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.28 : 13,495.78 = 8,939.54 : x
  2. Step 2: Convert to fraction form
    9,037.28/13,495.78 = 8,939.54/x
  3. Step 3: Cross multiply
    9,037.28x = 13,495.78 × 8,939.54
  4. Step 4: Simplify right side
    9,037.28x = 120,646,065.14
  5. Step 5: Solve for x
    x = 120,646,065.14/9,037.28
  6. Step 6: Final answer
    x = 13,349.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.