Home / 20,397.49-30,596.99-5,607.56

Finding the Fourth Proportional to 20,397.49, 30,596.99 and 5,607.56

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Solution

The fourth proportional to 20,397.49, 30,596.99 and 5,607.56 is: 8,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.49 : 30,596.99 = 5,607.56 : x
  2. Step 2: Convert to fraction form
    20,397.49/30,596.99 = 5,607.56/x
  3. Step 3: Cross multiply
    20,397.49x = 30,596.99 × 5,607.56
  4. Step 4: Simplify right side
    20,397.49x = 171,574,505.70
  5. Step 5: Solve for x
    x = 171,574,505.70/20,397.49
  6. Step 6: Final answer
    x = 8,411.55

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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.