Home / 17,987.80-24,822.22-10,029.86

Finding the Fourth Proportional to 17,987.80, 24,822.22 and 10,029.86

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Solution

The fourth proportional to 17,987.80, 24,822.22 and 10,029.86 is: 13,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.80 : 24,822.22 = 10,029.86 : x
  2. Step 2: Convert to fraction form
    17,987.80/24,822.22 = 10,029.86/x
  3. Step 3: Cross multiply
    17,987.80x = 24,822.22 × 10,029.86
  4. Step 4: Simplify right side
    17,987.80x = 248,963,391.49
  5. Step 5: Solve for x
    x = 248,963,391.49/17,987.80
  6. Step 6: Final answer
    x = 13,840.68

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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.