Home / 10,671.23-15,968.10-7,715.59

Finding the Fourth Proportional to 10,671.23, 15,968.10 and 7,715.59

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Solution

The fourth proportional to 10,671.23, 15,968.10 and 7,715.59 is: 11,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.23 : 15,968.10 = 7,715.59 : x
  2. Step 2: Convert to fraction form
    10,671.23/15,968.10 = 7,715.59/x
  3. Step 3: Cross multiply
    10,671.23x = 15,968.10 × 7,715.59
  4. Step 4: Simplify right side
    10,671.23x = 123,203,232.84
  5. Step 5: Solve for x
    x = 123,203,232.84/10,671.23
  6. Step 6: Final answer
    x = 11,545.37

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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.