Home / 17,242.40-25,870.89-7,386.32

Finding the Fourth Proportional to 17,242.40, 25,870.89 and 7,386.32

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Solution

The fourth proportional to 17,242.40, 25,870.89 and 7,386.32 is: 11,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.40 : 25,870.89 = 7,386.32 : x
  2. Step 2: Convert to fraction form
    17,242.40/25,870.89 = 7,386.32/x
  3. Step 3: Cross multiply
    17,242.40x = 25,870.89 × 7,386.32
  4. Step 4: Simplify right side
    17,242.40x = 191,090,764.60
  5. Step 5: Solve for x
    x = 191,090,764.60/17,242.40
  6. Step 6: Final answer
    x = 11,082.61

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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.