Home / 16,215.40-24,319.64-5,122.96

Finding the Fourth Proportional to 16,215.40, 24,319.64 and 5,122.96

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Solution

The fourth proportional to 16,215.40, 24,319.64 and 5,122.96 is: 7,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.40 : 24,319.64 = 5,122.96 : x
  2. Step 2: Convert to fraction form
    16,215.40/24,319.64 = 5,122.96/x
  3. Step 3: Cross multiply
    16,215.40x = 24,319.64 × 5,122.96
  4. Step 4: Simplify right side
    16,215.40x = 124,588,542.93
  5. Step 5: Solve for x
    x = 124,588,542.93/16,215.40
  6. Step 6: Final answer
    x = 7,683.35

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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.