Home / 14,433.39-21,671.55-8,870.72

Finding the Fourth Proportional to 14,433.39, 21,671.55 and 8,870.72

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Solution

The fourth proportional to 14,433.39, 21,671.55 and 8,870.72 is: 13,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.39 : 21,671.55 = 8,870.72 : x
  2. Step 2: Convert to fraction form
    14,433.39/21,671.55 = 8,870.72/x
  3. Step 3: Cross multiply
    14,433.39x = 21,671.55 × 8,870.72
  4. Step 4: Simplify right side
    14,433.39x = 192,242,143.66
  5. Step 5: Solve for x
    x = 192,242,143.66/14,433.39
  6. Step 6: Final answer
    x = 13,319.26

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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.