Home / 15,379.77-22,985.37-11,228.52

Finding the Fourth Proportional to 15,379.77, 22,985.37 and 11,228.52

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Solution

The fourth proportional to 15,379.77, 22,985.37 and 11,228.52 is: 16,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.77 : 22,985.37 = 11,228.52 : x
  2. Step 2: Convert to fraction form
    15,379.77/22,985.37 = 11,228.52/x
  3. Step 3: Cross multiply
    15,379.77x = 22,985.37 × 11,228.52
  4. Step 4: Simplify right side
    15,379.77x = 258,091,686.75
  5. Step 5: Solve for x
    x = 258,091,686.75/15,379.77
  6. Step 6: Final answer
    x = 16,781.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.