Home / 10,575.63-15,862.19-2,785.05

Finding the Fourth Proportional to 10,575.63, 15,862.19 and 2,785.05

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Solution

The fourth proportional to 10,575.63, 15,862.19 and 2,785.05 is: 4,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.63 : 15,862.19 = 2,785.05 : x
  2. Step 2: Convert to fraction form
    10,575.63/15,862.19 = 2,785.05/x
  3. Step 3: Cross multiply
    10,575.63x = 15,862.19 × 2,785.05
  4. Step 4: Simplify right side
    10,575.63x = 44,176,978.33
  5. Step 5: Solve for x
    x = 44,176,978.33/10,575.63
  6. Step 6: Final answer
    x = 4,177.24

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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.