Home / 13,444.40-20,166.60-4,680.20

Finding the Fourth Proportional to 13,444.40, 20,166.60 and 4,680.20

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Solution

The fourth proportional to 13,444.40, 20,166.60 and 4,680.20 is: 7,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.40 : 20,166.60 = 4,680.20 : x
  2. Step 2: Convert to fraction form
    13,444.40/20,166.60 = 4,680.20/x
  3. Step 3: Cross multiply
    13,444.40x = 20,166.60 × 4,680.20
  4. Step 4: Simplify right side
    13,444.40x = 94,383,721.32
  5. Step 5: Solve for x
    x = 94,383,721.32/13,444.40
  6. Step 6: Final answer
    x = 7,020.30

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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.