Home / 21,565.61-29,756.66-12,366.44

Finding the Fourth Proportional to 21,565.61, 29,756.66 and 12,366.44

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Solution

The fourth proportional to 21,565.61, 29,756.66 and 12,366.44 is: 17,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.61 : 29,756.66 = 12,366.44 : x
  2. Step 2: Convert to fraction form
    21,565.61/29,756.66 = 12,366.44/x
  3. Step 3: Cross multiply
    21,565.61x = 29,756.66 × 12,366.44
  4. Step 4: Simplify right side
    21,565.61x = 367,983,739.87
  5. Step 5: Solve for x
    x = 367,983,739.87/21,565.61
  6. Step 6: Final answer
    x = 17,063.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.