Home / 13,397.46-20,089.86-4,961.17

Finding the Fourth Proportional to 13,397.46, 20,089.86 and 4,961.17

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Solution

The fourth proportional to 13,397.46, 20,089.86 and 4,961.17 is: 7,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.46 : 20,089.86 = 4,961.17 : x
  2. Step 2: Convert to fraction form
    13,397.46/20,089.86 = 4,961.17/x
  3. Step 3: Cross multiply
    13,397.46x = 20,089.86 × 4,961.17
  4. Step 4: Simplify right side
    13,397.46x = 99,669,210.74
  5. Step 5: Solve for x
    x = 99,669,210.74/13,397.46
  6. Step 6: Final answer
    x = 7,439.41

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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.