Home / 13,614.47-20,424.28-4,729.44

Finding the Fourth Proportional to 13,614.47, 20,424.28 and 4,729.44

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Solution

The fourth proportional to 13,614.47, 20,424.28 and 4,729.44 is: 7,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.47 : 20,424.28 = 4,729.44 : x
  2. Step 2: Convert to fraction form
    13,614.47/20,424.28 = 4,729.44/x
  3. Step 3: Cross multiply
    13,614.47x = 20,424.28 × 4,729.44
  4. Step 4: Simplify right side
    13,614.47x = 96,595,406.80
  5. Step 5: Solve for x
    x = 96,595,406.80/13,614.47
  6. Step 6: Final answer
    x = 7,095.05

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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.