Home / 15,795.88-23,671.24-11,603

Finding the Fourth Proportional to 15,795.88, 23,671.24 and 11,603

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Solution

The fourth proportional to 15,795.88, 23,671.24 and 11,603 is: 17,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.88 : 23,671.24 = 11,603 : x
  2. Step 2: Convert to fraction form
    15,795.88/23,671.24 = 11,603/x
  3. Step 3: Cross multiply
    15,795.88x = 23,671.24 × 11,603
  4. Step 4: Simplify right side
    15,795.88x = 274,657,397.72
  5. Step 5: Solve for x
    x = 274,657,397.72/15,795.88
  6. Step 6: Final answer
    x = 17,387.91

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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.