Home / 12,630.04-17,428.66-6,964.50

Finding the Fourth Proportional to 12,630.04, 17,428.66 and 6,964.50

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Solution

The fourth proportional to 12,630.04, 17,428.66 and 6,964.50 is: 9,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.04 : 17,428.66 = 6,964.50 : x
  2. Step 2: Convert to fraction form
    12,630.04/17,428.66 = 6,964.50/x
  3. Step 3: Cross multiply
    12,630.04x = 17,428.66 × 6,964.50
  4. Step 4: Simplify right side
    12,630.04x = 121,381,902.57
  5. Step 5: Solve for x
    x = 121,381,902.57/12,630.04
  6. Step 6: Final answer
    x = 9,610.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.