Home / 15,675.40-23,515.02-6,912.52

Finding the Fourth Proportional to 15,675.40, 23,515.02 and 6,912.52

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Solution

The fourth proportional to 15,675.40, 23,515.02 and 6,912.52 is: 10,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.40 : 23,515.02 = 6,912.52 : x
  2. Step 2: Convert to fraction form
    15,675.40/23,515.02 = 6,912.52/x
  3. Step 3: Cross multiply
    15,675.40x = 23,515.02 × 6,912.52
  4. Step 4: Simplify right side
    15,675.40x = 162,548,046.05
  5. Step 5: Solve for x
    x = 162,548,046.05/15,675.40
  6. Step 6: Final answer
    x = 10,369.63

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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.