Home / 19,518.98-29,293.04-13,264.16

Finding the Fourth Proportional to 19,518.98, 29,293.04 and 13,264.16

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Solution

The fourth proportional to 19,518.98, 29,293.04 and 13,264.16 is: 19,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.98 : 29,293.04 = 13,264.16 : x
  2. Step 2: Convert to fraction form
    19,518.98/29,293.04 = 13,264.16/x
  3. Step 3: Cross multiply
    19,518.98x = 29,293.04 × 13,264.16
  4. Step 4: Simplify right side
    19,518.98x = 388,547,456.14
  5. Step 5: Solve for x
    x = 388,547,456.14/19,518.98
  6. Step 6: Final answer
    x = 19,906.14

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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.