Home / 15,305.76-22,955.61-4,209.58

Finding the Fourth Proportional to 15,305.76, 22,955.61 and 4,209.58

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Solution

The fourth proportional to 15,305.76, 22,955.61 and 4,209.58 is: 6,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.76 : 22,955.61 = 4,209.58 : x
  2. Step 2: Convert to fraction form
    15,305.76/22,955.61 = 4,209.58/x
  3. Step 3: Cross multiply
    15,305.76x = 22,955.61 × 4,209.58
  4. Step 4: Simplify right side
    15,305.76x = 96,633,476.74
  5. Step 5: Solve for x
    x = 96,633,476.74/15,305.76
  6. Step 6: Final answer
    x = 6,313.54

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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.