Home / 13,344.02-20,017.05-4,578.86

Finding the Fourth Proportional to 13,344.02, 20,017.05 and 4,578.86

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Solution

The fourth proportional to 13,344.02, 20,017.05 and 4,578.86 is: 6,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.02 : 20,017.05 = 4,578.86 : x
  2. Step 2: Convert to fraction form
    13,344.02/20,017.05 = 4,578.86/x
  3. Step 3: Cross multiply
    13,344.02x = 20,017.05 × 4,578.86
  4. Step 4: Simplify right side
    13,344.02x = 91,655,269.56
  5. Step 5: Solve for x
    x = 91,655,269.56/13,344.02
  6. Step 6: Final answer
    x = 6,868.64

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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.