Home / 21,701.29-32,551.84-9,219.40

Finding the Fourth Proportional to 21,701.29, 32,551.84 and 9,219.40

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Solution

The fourth proportional to 21,701.29, 32,551.84 and 9,219.40 is: 13,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.29 : 32,551.84 = 9,219.40 : x
  2. Step 2: Convert to fraction form
    21,701.29/32,551.84 = 9,219.40/x
  3. Step 3: Cross multiply
    21,701.29x = 32,551.84 × 9,219.40
  4. Step 4: Simplify right side
    21,701.29x = 300,108,433.70
  5. Step 5: Solve for x
    x = 300,108,433.70/21,701.29
  6. Step 6: Final answer
    x = 13,829.06

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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.