Home / 15,385.12-23,077.67-3,698.34

Finding the Fourth Proportional to 15,385.12, 23,077.67 and 3,698.34

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Solution

The fourth proportional to 15,385.12, 23,077.67 and 3,698.34 is: 5,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.12 : 23,077.67 = 3,698.34 : x
  2. Step 2: Convert to fraction form
    15,385.12/23,077.67 = 3,698.34/x
  3. Step 3: Cross multiply
    15,385.12x = 23,077.67 × 3,698.34
  4. Step 4: Simplify right side
    15,385.12x = 85,348,954.68
  5. Step 5: Solve for x
    x = 85,348,954.68/15,385.12
  6. Step 6: Final answer
    x = 5,547.50

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Similar ratio
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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.