Home / 15,017.56-22,512.41-7,123.79

Finding the Fourth Proportional to 15,017.56, 22,512.41 and 7,123.79

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Solution

The fourth proportional to 15,017.56, 22,512.41 and 7,123.79 is: 10,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.56 : 22,512.41 = 7,123.79 : x
  2. Step 2: Convert to fraction form
    15,017.56/22,512.41 = 7,123.79/x
  3. Step 3: Cross multiply
    15,017.56x = 22,512.41 × 7,123.79
  4. Step 4: Simplify right side
    15,017.56x = 160,373,681.23
  5. Step 5: Solve for x
    x = 160,373,681.23/15,017.56
  6. Step 6: Final answer
    x = 10,679.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.