Home / 21,948.40-32,922.60-9,660.40

Finding the Fourth Proportional to 21,948.40, 32,922.60 and 9,660.40

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Solution

The fourth proportional to 21,948.40, 32,922.60 and 9,660.40 is: 14,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.40 : 32,922.60 = 9,660.40 : x
  2. Step 2: Convert to fraction form
    21,948.40/32,922.60 = 9,660.40/x
  3. Step 3: Cross multiply
    21,948.40x = 32,922.60 × 9,660.40
  4. Step 4: Simplify right side
    21,948.40x = 318,045,485.04
  5. Step 5: Solve for x
    x = 318,045,485.04/21,948.40
  6. Step 6: Final answer
    x = 14,490.60

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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.