Home / 13,174.65-18,181.49-7,510.26

Finding the Fourth Proportional to 13,174.65, 18,181.49 and 7,510.26

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Solution

The fourth proportional to 13,174.65, 18,181.49 and 7,510.26 is: 10,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.65 : 18,181.49 = 7,510.26 : x
  2. Step 2: Convert to fraction form
    13,174.65/18,181.49 = 7,510.26/x
  3. Step 3: Cross multiply
    13,174.65x = 18,181.49 × 7,510.26
  4. Step 4: Simplify right side
    13,174.65x = 136,547,679.54
  5. Step 5: Solve for x
    x = 136,547,679.54/13,174.65
  6. Step 6: Final answer
    x = 10,364.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.