Home / 15,327.74-21,152.26-8,958.71

Finding the Fourth Proportional to 15,327.74, 21,152.26 and 8,958.71

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Solution

The fourth proportional to 15,327.74, 21,152.26 and 8,958.71 is: 12,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.74 : 21,152.26 = 8,958.71 : x
  2. Step 2: Convert to fraction form
    15,327.74/21,152.26 = 8,958.71/x
  3. Step 3: Cross multiply
    15,327.74x = 21,152.26 × 8,958.71
  4. Step 4: Simplify right side
    15,327.74x = 189,496,963.18
  5. Step 5: Solve for x
    x = 189,496,963.18/15,327.74
  6. Step 6: Final answer
    x = 12,363.01

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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.