Home / 15,951.13-22,017.39-9,238.40

Finding the Fourth Proportional to 15,951.13, 22,017.39 and 9,238.40

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Solution

The fourth proportional to 15,951.13, 22,017.39 and 9,238.40 is: 12,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.13 : 22,017.39 = 9,238.40 : x
  2. Step 2: Convert to fraction form
    15,951.13/22,017.39 = 9,238.40/x
  3. Step 3: Cross multiply
    15,951.13x = 22,017.39 × 9,238.40
  4. Step 4: Simplify right side
    15,951.13x = 203,405,595.41
  5. Step 5: Solve for x
    x = 203,405,595.41/15,951.13
  6. Step 6: Final answer
    x = 12,751.80

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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.