Home / 17,747.40-26,642.70-9,856.20

Finding the Fourth Proportional to 17,747.40, 26,642.70 and 9,856.20

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Solution

The fourth proportional to 17,747.40, 26,642.70 and 9,856.20 is: 14,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.40 : 26,642.70 = 9,856.20 : x
  2. Step 2: Convert to fraction form
    17,747.40/26,642.70 = 9,856.20/x
  3. Step 3: Cross multiply
    17,747.40x = 26,642.70 × 9,856.20
  4. Step 4: Simplify right side
    17,747.40x = 262,595,779.74
  5. Step 5: Solve for x
    x = 262,595,779.74/17,747.40
  6. Step 6: Final answer
    x = 14,796.30

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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.