Home / 17,458.60-26,186.70-5,612.20

Finding the Fourth Proportional to 17,458.60, 26,186.70 and 5,612.20

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Solution

The fourth proportional to 17,458.60, 26,186.70 and 5,612.20 is: 8,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,458.60 : 26,186.70 = 5,612.20 : x
  2. Step 2: Convert to fraction form
    17,458.60/26,186.70 = 5,612.20/x
  3. Step 3: Cross multiply
    17,458.60x = 26,186.70 × 5,612.20
  4. Step 4: Simplify right side
    17,458.60x = 146,964,997.74
  5. Step 5: Solve for x
    x = 146,964,997.74/17,458.60
  6. Step 6: Final answer
    x = 8,417.91

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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.