Home / 15,464.70-21,342.32-8,750.61

Finding the Fourth Proportional to 15,464.70, 21,342.32 and 8,750.61

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Solution

The fourth proportional to 15,464.70, 21,342.32 and 8,750.61 is: 12,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.70 : 21,342.32 = 8,750.61 : x
  2. Step 2: Convert to fraction form
    15,464.70/21,342.32 = 8,750.61/x
  3. Step 3: Cross multiply
    15,464.70x = 21,342.32 × 8,750.61
  4. Step 4: Simplify right side
    15,464.70x = 186,758,275.06
  5. Step 5: Solve for x
    x = 186,758,275.06/15,464.70
  6. Step 6: Final answer
    x = 12,076.42

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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.