Home / 14,724.79-20,325.50-8,756.44

Finding the Fourth Proportional to 14,724.79, 20,325.50 and 8,756.44

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Solution

The fourth proportional to 14,724.79, 20,325.50 and 8,756.44 is: 12,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.79 : 20,325.50 = 8,756.44 : x
  2. Step 2: Convert to fraction form
    14,724.79/20,325.50 = 8,756.44/x
  3. Step 3: Cross multiply
    14,724.79x = 20,325.50 × 8,756.44
  4. Step 4: Simplify right side
    14,724.79x = 177,978,959.46
  5. Step 5: Solve for x
    x = 177,978,959.46/14,724.79
  6. Step 6: Final answer
    x = 12,087.03

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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.