Home / 14,432.40-21,648.60-8,867.70

Finding the Fourth Proportional to 14,432.40, 21,648.60 and 8,867.70

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Solution

The fourth proportional to 14,432.40, 21,648.60 and 8,867.70 is: 13,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.40 : 21,648.60 = 8,867.70 : x
  2. Step 2: Convert to fraction form
    14,432.40/21,648.60 = 8,867.70/x
  3. Step 3: Cross multiply
    14,432.40x = 21,648.60 × 8,867.70
  4. Step 4: Simplify right side
    14,432.40x = 191,973,290.22
  5. Step 5: Solve for x
    x = 191,973,290.22/14,432.40
  6. Step 6: Final answer
    x = 13,301.55

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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.