Home / 13,947.44-20,920.14-4,587.35

Finding the Fourth Proportional to 13,947.44, 20,920.14 and 4,587.35

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Solution

The fourth proportional to 13,947.44, 20,920.14 and 4,587.35 is: 6,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.44 : 20,920.14 = 4,587.35 : x
  2. Step 2: Convert to fraction form
    13,947.44/20,920.14 = 4,587.35/x
  3. Step 3: Cross multiply
    13,947.44x = 20,920.14 × 4,587.35
  4. Step 4: Simplify right side
    13,947.44x = 95,967,888.16
  5. Step 5: Solve for x
    x = 95,967,888.16/13,947.44
  6. Step 6: Final answer
    x = 6,880.68

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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.