Home / 15,418.98-23,109-12,852.90

Finding the Fourth Proportional to 15,418.98, 23,109 and 12,852.90

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Solution

The fourth proportional to 15,418.98, 23,109 and 12,852.90 is: 19,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.98 : 23,109 = 12,852.90 : x
  2. Step 2: Convert to fraction form
    15,418.98/23,109 = 12,852.90/x
  3. Step 3: Cross multiply
    15,418.98x = 23,109 × 12,852.90
  4. Step 4: Simplify right side
    15,418.98x = 297,017,666.10
  5. Step 5: Solve for x
    x = 297,017,666.10/15,418.98
  6. Step 6: Final answer
    x = 19,263.12

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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.