Home / 15,037.56-20,751.66-8,323.20

Finding the Fourth Proportional to 15,037.56, 20,751.66 and 8,323.20

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Solution

The fourth proportional to 15,037.56, 20,751.66 and 8,323.20 is: 11,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.56 : 20,751.66 = 8,323.20 : x
  2. Step 2: Convert to fraction form
    15,037.56/20,751.66 = 8,323.20/x
  3. Step 3: Cross multiply
    15,037.56x = 20,751.66 × 8,323.20
  4. Step 4: Simplify right side
    15,037.56x = 172,720,216.51
  5. Step 5: Solve for x
    x = 172,720,216.51/15,037.56
  6. Step 6: Final answer
    x = 11,485.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.