Home / 10,447.83-15,671.51-2,656.65

Finding the Fourth Proportional to 10,447.83, 15,671.51 and 2,656.65

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Solution

The fourth proportional to 10,447.83, 15,671.51 and 2,656.65 is: 3,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.83 : 15,671.51 = 2,656.65 : x
  2. Step 2: Convert to fraction form
    10,447.83/15,671.51 = 2,656.65/x
  3. Step 3: Cross multiply
    10,447.83x = 15,671.51 × 2,656.65
  4. Step 4: Simplify right side
    10,447.83x = 41,633,703.76
  5. Step 5: Solve for x
    x = 41,633,703.76/10,447.83
  6. Step 6: Final answer
    x = 3,984.91

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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.