Home / 15,303.36-22,961.56-8,644.86

Finding the Fourth Proportional to 15,303.36, 22,961.56 and 8,644.86

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Solution

The fourth proportional to 15,303.36, 22,961.56 and 8,644.86 is: 12,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303.36 : 22,961.56 = 8,644.86 : x
  2. Step 2: Convert to fraction form
    15,303.36/22,961.56 = 8,644.86/x
  3. Step 3: Cross multiply
    15,303.36x = 22,961.56 × 8,644.86
  4. Step 4: Simplify right side
    15,303.36x = 198,499,471.58
  5. Step 5: Solve for x
    x = 198,499,471.58/15,303.36
  6. Step 6: Final answer
    x = 12,970.97

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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.