Home / 17,818.60-26,730.30-6,135.40

Finding the Fourth Proportional to 17,818.60, 26,730.30 and 6,135.40

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Solution

The fourth proportional to 17,818.60, 26,730.30 and 6,135.40 is: 9,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.60 : 26,730.30 = 6,135.40 : x
  2. Step 2: Convert to fraction form
    17,818.60/26,730.30 = 6,135.40/x
  3. Step 3: Cross multiply
    17,818.60x = 26,730.30 × 6,135.40
  4. Step 4: Simplify right side
    17,818.60x = 164,001,082.62
  5. Step 5: Solve for x
    x = 164,001,082.62/17,818.60
  6. Step 6: Final answer
    x = 9,203.93

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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.