Home / 15,718.12-23,543.30-7,385.64

Finding the Fourth Proportional to 15,718.12, 23,543.30 and 7,385.64

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Solution

The fourth proportional to 15,718.12, 23,543.30 and 7,385.64 is: 11,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.12 : 23,543.30 = 7,385.64 : x
  2. Step 2: Convert to fraction form
    15,718.12/23,543.30 = 7,385.64/x
  3. Step 3: Cross multiply
    15,718.12x = 23,543.30 × 7,385.64
  4. Step 4: Simplify right side
    15,718.12x = 173,882,338.21
  5. Step 5: Solve for x
    x = 173,882,338.21/15,718.12
  6. Step 6: Final answer
    x = 11,062.54

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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.