Home / 13,218.04-19,834.35-7,371.46

Finding the Fourth Proportional to 13,218.04, 19,834.35 and 7,371.46

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Solution

The fourth proportional to 13,218.04, 19,834.35 and 7,371.46 is: 11,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.04 : 19,834.35 = 7,371.46 : x
  2. Step 2: Convert to fraction form
    13,218.04/19,834.35 = 7,371.46/x
  3. Step 3: Cross multiply
    13,218.04x = 19,834.35 × 7,371.46
  4. Step 4: Simplify right side
    13,218.04x = 146,208,117.65
  5. Step 5: Solve for x
    x = 146,208,117.65/13,218.04
  6. Step 6: Final answer
    x = 11,061.26

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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.