Home / 13,009.17-17,951.45-7,342.41

Finding the Fourth Proportional to 13,009.17, 17,951.45 and 7,342.41

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Solution

The fourth proportional to 13,009.17, 17,951.45 and 7,342.41 is: 10,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.17 : 17,951.45 = 7,342.41 : x
  2. Step 2: Convert to fraction form
    13,009.17/17,951.45 = 7,342.41/x
  3. Step 3: Cross multiply
    13,009.17x = 17,951.45 × 7,342.41
  4. Step 4: Simplify right side
    13,009.17x = 131,806,869.28
  5. Step 5: Solve for x
    x = 131,806,869.28/13,009.17
  6. Step 6: Final answer
    x = 10,131.84

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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.