Home / 17,415.70-26,123.55-4,268.20

Finding the Fourth Proportional to 17,415.70, 26,123.55 and 4,268.20

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Solution

The fourth proportional to 17,415.70, 26,123.55 and 4,268.20 is: 6,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.70 : 26,123.55 = 4,268.20 : x
  2. Step 2: Convert to fraction form
    17,415.70/26,123.55 = 4,268.20/x
  3. Step 3: Cross multiply
    17,415.70x = 26,123.55 × 4,268.20
  4. Step 4: Simplify right side
    17,415.70x = 111,500,536.11
  5. Step 5: Solve for x
    x = 111,500,536.11/17,415.70
  6. Step 6: Final answer
    x = 6,402.30

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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.