Home / 15,309.30-22,961.80-4,776.88

Finding the Fourth Proportional to 15,309.30, 22,961.80 and 4,776.88

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Solution

The fourth proportional to 15,309.30, 22,961.80 and 4,776.88 is: 7,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.30 : 22,961.80 = 4,776.88 : x
  2. Step 2: Convert to fraction form
    15,309.30/22,961.80 = 4,776.88/x
  3. Step 3: Cross multiply
    15,309.30x = 22,961.80 × 4,776.88
  4. Step 4: Simplify right side
    15,309.30x = 109,685,763.18
  5. Step 5: Solve for x
    x = 109,685,763.18/15,309.30
  6. Step 6: Final answer
    x = 7,164.65

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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.