Home / 13,041.81-19,565.15-4,279.23

Finding the Fourth Proportional to 13,041.81, 19,565.15 and 4,279.23

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Solution

The fourth proportional to 13,041.81, 19,565.15 and 4,279.23 is: 6,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.81 : 19,565.15 = 4,279.23 : x
  2. Step 2: Convert to fraction form
    13,041.81/19,565.15 = 4,279.23/x
  3. Step 3: Cross multiply
    13,041.81x = 19,565.15 × 4,279.23
  4. Step 4: Simplify right side
    13,041.81x = 83,723,755.44
  5. Step 5: Solve for x
    x = 83,723,755.44/13,041.81
  6. Step 6: Final answer
    x = 6,419.64

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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.