Home / 15,462.10-21,338.16-8,748.82

Finding the Fourth Proportional to 15,462.10, 21,338.16 and 8,748.82

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Solution

The fourth proportional to 15,462.10, 21,338.16 and 8,748.82 is: 12,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.10 : 21,338.16 = 8,748.82 : x
  2. Step 2: Convert to fraction form
    15,462.10/21,338.16 = 8,748.82/x
  3. Step 3: Cross multiply
    15,462.10x = 21,338.16 × 8,748.82
  4. Step 4: Simplify right side
    15,462.10x = 186,683,720.97
  5. Step 5: Solve for x
    x = 186,683,720.97/15,462.10
  6. Step 6: Final answer
    x = 12,073.63

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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.