Home / 20,397.42-30,596.11-7,250.31

Finding the Fourth Proportional to 20,397.42, 30,596.11 and 7,250.31

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Solution

The fourth proportional to 20,397.42, 30,596.11 and 7,250.31 is: 10,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.42 : 30,596.11 = 7,250.31 : x
  2. Step 2: Convert to fraction form
    20,397.42/30,596.11 = 7,250.31/x
  3. Step 3: Cross multiply
    20,397.42x = 30,596.11 × 7,250.31
  4. Step 4: Simplify right side
    20,397.42x = 221,831,282.29
  5. Step 5: Solve for x
    x = 221,831,282.29/20,397.42
  6. Step 6: Final answer
    x = 10,875.46

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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.