Home / 10,547.24-15,820.72-4,305.88

Finding the Fourth Proportional to 10,547.24, 15,820.72 and 4,305.88

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Solution

The fourth proportional to 10,547.24, 15,820.72 and 4,305.88 is: 6,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.24 : 15,820.72 = 4,305.88 : x
  2. Step 2: Convert to fraction form
    10,547.24/15,820.72 = 4,305.88/x
  3. Step 3: Cross multiply
    10,547.24x = 15,820.72 × 4,305.88
  4. Step 4: Simplify right side
    10,547.24x = 68,122,121.83
  5. Step 5: Solve for x
    x = 68,122,121.83/10,547.24
  6. Step 6: Final answer
    x = 6,458.76

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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.