Home / 13,928.47-20,878.03-4,566.05

Finding the Fourth Proportional to 13,928.47, 20,878.03 and 4,566.05

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Solution

The fourth proportional to 13,928.47, 20,878.03 and 4,566.05 is: 6,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.47 : 20,878.03 = 4,566.05 : x
  2. Step 2: Convert to fraction form
    13,928.47/20,878.03 = 4,566.05/x
  3. Step 3: Cross multiply
    13,928.47x = 20,878.03 × 4,566.05
  4. Step 4: Simplify right side
    13,928.47x = 95,330,013.08
  5. Step 5: Solve for x
    x = 95,330,013.08/13,928.47
  6. Step 6: Final answer
    x = 6,844.26

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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.