Home / 21,936.47-32,904.71-6,354.10

Finding the Fourth Proportional to 21,936.47, 32,904.71 and 6,354.10

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Solution

The fourth proportional to 21,936.47, 32,904.71 and 6,354.10 is: 9,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.47 : 32,904.71 = 6,354.10 : x
  2. Step 2: Convert to fraction form
    21,936.47/32,904.71 = 6,354.10/x
  3. Step 3: Cross multiply
    21,936.47x = 32,904.71 × 6,354.10
  4. Step 4: Simplify right side
    21,936.47x = 209,079,817.81
  5. Step 5: Solve for x
    x = 209,079,817.81/21,936.47
  6. Step 6: Final answer
    x = 9,531.15

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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.