Home / 10,037.10-15,007.05-7,412.70

Finding the Fourth Proportional to 10,037.10, 15,007.05 and 7,412.70

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Solution

The fourth proportional to 10,037.10, 15,007.05 and 7,412.70 is: 11,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.10 : 15,007.05 = 7,412.70 : x
  2. Step 2: Convert to fraction form
    10,037.10/15,007.05 = 7,412.70/x
  3. Step 3: Cross multiply
    10,037.10x = 15,007.05 × 7,412.70
  4. Step 4: Simplify right side
    10,037.10x = 111,242,759.54
  5. Step 5: Solve for x
    x = 111,242,759.54/10,037.10
  6. Step 6: Final answer
    x = 11,083.16

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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.