Home / 17,710.40-26,567.16-8,939.72

Finding the Fourth Proportional to 17,710.40, 26,567.16 and 8,939.72

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Solution

The fourth proportional to 17,710.40, 26,567.16 and 8,939.72 is: 13,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,710.40 : 26,567.16 = 8,939.72 : x
  2. Step 2: Convert to fraction form
    17,710.40/26,567.16 = 8,939.72/x
  3. Step 3: Cross multiply
    17,710.40x = 26,567.16 × 8,939.72
  4. Step 4: Simplify right side
    17,710.40x = 237,502,971.60
  5. Step 5: Solve for x
    x = 237,502,971.60/17,710.40
  6. Step 6: Final answer
    x = 13,410.37

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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.