Home / 10,379.88-15,587.10-10,299.24

Finding the Fourth Proportional to 10,379.88, 15,587.10 and 10,299.24

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Solution

The fourth proportional to 10,379.88, 15,587.10 and 10,299.24 is: 15,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.88 : 15,587.10 = 10,299.24 : x
  2. Step 2: Convert to fraction form
    10,379.88/15,587.10 = 10,299.24/x
  3. Step 3: Cross multiply
    10,379.88x = 15,587.10 × 10,299.24
  4. Step 4: Simplify right side
    10,379.88x = 160,535,283.80
  5. Step 5: Solve for x
    x = 160,535,283.80/10,379.88
  6. Step 6: Final answer
    x = 15,466.01

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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.