Home / 19,685.01-29,531.90-7,204.76

Finding the Fourth Proportional to 19,685.01, 29,531.90 and 7,204.76

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Solution

The fourth proportional to 19,685.01, 29,531.90 and 7,204.76 is: 10,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.01 : 29,531.90 = 7,204.76 : x
  2. Step 2: Convert to fraction form
    19,685.01/29,531.90 = 7,204.76/x
  3. Step 3: Cross multiply
    19,685.01x = 29,531.90 × 7,204.76
  4. Step 4: Simplify right side
    19,685.01x = 212,770,251.84
  5. Step 5: Solve for x
    x = 212,770,251.84/19,685.01
  6. Step 6: Final answer
    x = 10,808.74

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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.