Home / 15,636.98-21,578.18-8,562.03

Finding the Fourth Proportional to 15,636.98, 21,578.18 and 8,562.03

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Solution

The fourth proportional to 15,636.98, 21,578.18 and 8,562.03 is: 11,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.98 : 21,578.18 = 8,562.03 : x
  2. Step 2: Convert to fraction form
    15,636.98/21,578.18 = 8,562.03/x
  3. Step 3: Cross multiply
    15,636.98x = 21,578.18 × 8,562.03
  4. Step 4: Simplify right side
    15,636.98x = 184,752,981.70
  5. Step 5: Solve for x
    x = 184,752,981.70/15,636.98
  6. Step 6: Final answer
    x = 11,815.14

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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.