Home / 17,100.60-25,631.70-8,777.40

Finding the Fourth Proportional to 17,100.60, 25,631.70 and 8,777.40

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Solution

The fourth proportional to 17,100.60, 25,631.70 and 8,777.40 is: 13,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.60 : 25,631.70 = 8,777.40 : x
  2. Step 2: Convert to fraction form
    17,100.60/25,631.70 = 8,777.40/x
  3. Step 3: Cross multiply
    17,100.60x = 25,631.70 × 8,777.40
  4. Step 4: Simplify right side
    17,100.60x = 224,979,683.58
  5. Step 5: Solve for x
    x = 224,979,683.58/17,100.60
  6. Step 6: Final answer
    x = 13,156.25

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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.