Home / 15,827.93-21,845.22-9,117.44

Finding the Fourth Proportional to 15,827.93, 21,845.22 and 9,117.44

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Solution

The fourth proportional to 15,827.93, 21,845.22 and 9,117.44 is: 12,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.93 : 21,845.22 = 9,117.44 : x
  2. Step 2: Convert to fraction form
    15,827.93/21,845.22 = 9,117.44/x
  3. Step 3: Cross multiply
    15,827.93x = 21,845.22 × 9,117.44
  4. Step 4: Simplify right side
    15,827.93x = 199,172,373.41
  5. Step 5: Solve for x
    x = 199,172,373.41/15,827.93
  6. Step 6: Final answer
    x = 12,583.61

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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.