Home / 13,008.93-17,951.70-7,630.63

Finding the Fourth Proportional to 13,008.93, 17,951.70 and 7,630.63

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Solution

The fourth proportional to 13,008.93, 17,951.70 and 7,630.63 is: 10,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.93 : 17,951.70 = 7,630.63 : x
  2. Step 2: Convert to fraction form
    13,008.93/17,951.70 = 7,630.63/x
  3. Step 3: Cross multiply
    13,008.93x = 17,951.70 × 7,630.63
  4. Step 4: Simplify right side
    13,008.93x = 136,982,780.57
  5. Step 5: Solve for x
    x = 136,982,780.57/13,008.93
  6. Step 6: Final answer
    x = 10,529.90

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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.