Home / 26,164.60-39,246.90-11,390.20

Finding the Fourth Proportional to 26,164.60, 39,246.90 and 11,390.20

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Solution

The fourth proportional to 26,164.60, 39,246.90 and 11,390.20 is: 17,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.60 : 39,246.90 = 11,390.20 : x
  2. Step 2: Convert to fraction form
    26,164.60/39,246.90 = 11,390.20/x
  3. Step 3: Cross multiply
    26,164.60x = 39,246.90 × 11,390.20
  4. Step 4: Simplify right side
    26,164.60x = 447,030,040.38
  5. Step 5: Solve for x
    x = 447,030,040.38/26,164.60
  6. Step 6: Final answer
    x = 17,085.30

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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.