Home / 15,655.49-23,472.82-8,140.59

Finding the Fourth Proportional to 15,655.49, 23,472.82 and 8,140.59

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Solution

The fourth proportional to 15,655.49, 23,472.82 and 8,140.59 is: 12,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.49 : 23,472.82 = 8,140.59 : x
  2. Step 2: Convert to fraction form
    15,655.49/23,472.82 = 8,140.59/x
  3. Step 3: Cross multiply
    15,655.49x = 23,472.82 × 8,140.59
  4. Step 4: Simplify right side
    15,655.49x = 191,082,603.76
  5. Step 5: Solve for x
    x = 191,082,603.76/15,655.49
  6. Step 6: Final answer
    x = 12,205.47

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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.