Home / 15,685.78-23,528.69-6,677.56

Finding the Fourth Proportional to 15,685.78, 23,528.69 and 6,677.56

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Solution

The fourth proportional to 15,685.78, 23,528.69 and 6,677.56 is: 10,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.78 : 23,528.69 = 6,677.56 : x
  2. Step 2: Convert to fraction form
    15,685.78/23,528.69 = 6,677.56/x
  3. Step 3: Cross multiply
    15,685.78x = 23,528.69 × 6,677.56
  4. Step 4: Simplify right side
    15,685.78x = 157,114,335.83
  5. Step 5: Solve for x
    x = 157,114,335.83/15,685.78
  6. Step 6: Final answer
    x = 10,016.36

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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.