Home / 14,445.40-21,667.92-5,674.20

Finding the Fourth Proportional to 14,445.40, 21,667.92 and 5,674.20

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Solution

The fourth proportional to 14,445.40, 21,667.92 and 5,674.20 is: 8,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.40 : 21,667.92 = 5,674.20 : x
  2. Step 2: Convert to fraction form
    14,445.40/21,667.92 = 5,674.20/x
  3. Step 3: Cross multiply
    14,445.40x = 21,667.92 × 5,674.20
  4. Step 4: Simplify right side
    14,445.40x = 122,948,111.66
  5. Step 5: Solve for x
    x = 122,948,111.66/14,445.40
  6. Step 6: Final answer
    x = 8,511.23

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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.