Home / 12,713.19-17,541.70-7,047.69

Finding the Fourth Proportional to 12,713.19, 17,541.70 and 7,047.69

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Solution

The fourth proportional to 12,713.19, 17,541.70 and 7,047.69 is: 9,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.19 : 17,541.70 = 7,047.69 : x
  2. Step 2: Convert to fraction form
    12,713.19/17,541.70 = 7,047.69/x
  3. Step 3: Cross multiply
    12,713.19x = 17,541.70 × 7,047.69
  4. Step 4: Simplify right side
    12,713.19x = 123,628,463.67
  5. Step 5: Solve for x
    x = 123,628,463.67/12,713.19
  6. Step 6: Final answer
    x = 9,724.43

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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.