Home / 23,045.78-34,567.04-13,154.06

Finding the Fourth Proportional to 23,045.78, 34,567.04 and 13,154.06

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Solution

The fourth proportional to 23,045.78, 34,567.04 and 13,154.06 is: 19,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.78 : 34,567.04 = 13,154.06 : x
  2. Step 2: Convert to fraction form
    23,045.78/34,567.04 = 13,154.06/x
  3. Step 3: Cross multiply
    23,045.78x = 34,567.04 × 13,154.06
  4. Step 4: Simplify right side
    23,045.78x = 454,696,918.18
  5. Step 5: Solve for x
    x = 454,696,918.18/23,045.78
  6. Step 6: Final answer
    x = 19,730.16

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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.