Home / 15,656.28-21,606.22-8,582.70

Finding the Fourth Proportional to 15,656.28, 21,606.22 and 8,582.70

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Solution

The fourth proportional to 15,656.28, 21,606.22 and 8,582.70 is: 11,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.28 : 21,606.22 = 8,582.70 : x
  2. Step 2: Convert to fraction form
    15,656.28/21,606.22 = 8,582.70/x
  3. Step 3: Cross multiply
    15,656.28x = 21,606.22 × 8,582.70
  4. Step 4: Simplify right side
    15,656.28x = 185,439,704.39
  5. Step 5: Solve for x
    x = 185,439,704.39/15,656.28
  6. Step 6: Final answer
    x = 11,844.43

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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.