Home / 10,253.34-15,379.47-2,858.13

Finding the Fourth Proportional to 10,253.34, 15,379.47 and 2,858.13

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Solution

The fourth proportional to 10,253.34, 15,379.47 and 2,858.13 is: 4,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.34 : 15,379.47 = 2,858.13 : x
  2. Step 2: Convert to fraction form
    10,253.34/15,379.47 = 2,858.13/x
  3. Step 3: Cross multiply
    10,253.34x = 15,379.47 × 2,858.13
  4. Step 4: Simplify right side
    10,253.34x = 43,956,524.59
  5. Step 5: Solve for x
    x = 43,956,524.59/10,253.34
  6. Step 6: Final answer
    x = 4,287.04

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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.