Home / 15,305.70-22,955.91-4,209.76

Finding the Fourth Proportional to 15,305.70, 22,955.91 and 4,209.76

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Solution

The fourth proportional to 15,305.70, 22,955.91 and 4,209.76 is: 6,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.70 : 22,955.91 = 4,209.76 : x
  2. Step 2: Convert to fraction form
    15,305.70/22,955.91 = 4,209.76/x
  3. Step 3: Cross multiply
    15,305.70x = 22,955.91 × 4,209.76
  4. Step 4: Simplify right side
    15,305.70x = 96,638,871.68
  5. Step 5: Solve for x
    x = 96,638,871.68/15,305.70
  6. Step 6: Final answer
    x = 6,313.91

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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.