Home / 10,123.29-15,180.08-5,739.57

Finding the Fourth Proportional to 10,123.29, 15,180.08 and 5,739.57

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Solution

The fourth proportional to 10,123.29, 15,180.08 and 5,739.57 is: 8,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.29 : 15,180.08 = 5,739.57 : x
  2. Step 2: Convert to fraction form
    10,123.29/15,180.08 = 5,739.57/x
  3. Step 3: Cross multiply
    10,123.29x = 15,180.08 × 5,739.57
  4. Step 4: Simplify right side
    10,123.29x = 87,127,103.07
  5. Step 5: Solve for x
    x = 87,127,103.07/10,123.29
  6. Step 6: Final answer
    x = 8,606.60

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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.