Home / 12,424.11-17,144.93-7,047.53

Finding the Fourth Proportional to 12,424.11, 17,144.93 and 7,047.53

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Solution

The fourth proportional to 12,424.11, 17,144.93 and 7,047.53 is: 9,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.11 : 17,144.93 = 7,047.53 : x
  2. Step 2: Convert to fraction form
    12,424.11/17,144.93 = 7,047.53/x
  3. Step 3: Cross multiply
    12,424.11x = 17,144.93 × 7,047.53
  4. Step 4: Simplify right side
    12,424.11x = 120,829,408.52
  5. Step 5: Solve for x
    x = 120,829,408.52/12,424.11
  6. Step 6: Final answer
    x = 9,725.40

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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.