Home / 21,681.70-32,516.17-9,194.84

Finding the Fourth Proportional to 21,681.70, 32,516.17 and 9,194.84

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Solution

The fourth proportional to 21,681.70, 32,516.17 and 9,194.84 is: 13,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.70 : 32,516.17 = 9,194.84 : x
  2. Step 2: Convert to fraction form
    21,681.70/32,516.17 = 9,194.84/x
  3. Step 3: Cross multiply
    21,681.70x = 32,516.17 × 9,194.84
  4. Step 4: Simplify right side
    21,681.70x = 298,980,916.93
  5. Step 5: Solve for x
    x = 298,980,916.93/21,681.70
  6. Step 6: Final answer
    x = 13,789.55

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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.