Home / 10,141.56-14,001.77-6,960.18

Finding the Fourth Proportional to 10,141.56, 14,001.77 and 6,960.18

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Solution

The fourth proportional to 10,141.56, 14,001.77 and 6,960.18 is: 9,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.56 : 14,001.77 = 6,960.18 : x
  2. Step 2: Convert to fraction form
    10,141.56/14,001.77 = 6,960.18/x
  3. Step 3: Cross multiply
    10,141.56x = 14,001.77 × 6,960.18
  4. Step 4: Simplify right side
    10,141.56x = 97,454,839.52
  5. Step 5: Solve for x
    x = 97,454,839.52/10,141.56
  6. Step 6: Final answer
    x = 9,609.45

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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.