Home / 25,646.70-38,466.20-8,114.25

Finding the Fourth Proportional to 25,646.70, 38,466.20 and 8,114.25

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Solution

The fourth proportional to 25,646.70, 38,466.20 and 8,114.25 is: 12,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.70 : 38,466.20 = 8,114.25 : x
  2. Step 2: Convert to fraction form
    25,646.70/38,466.20 = 8,114.25/x
  3. Step 3: Cross multiply
    25,646.70x = 38,466.20 × 8,114.25
  4. Step 4: Simplify right side
    25,646.70x = 312,124,363.35
  5. Step 5: Solve for x
    x = 312,124,363.35/25,646.70
  6. Step 6: Final answer
    x = 12,170.16

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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.