Home / 15,482.69-21,366.62-8,768.17

Finding the Fourth Proportional to 15,482.69, 21,366.62 and 8,768.17

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Solution

The fourth proportional to 15,482.69, 21,366.62 and 8,768.17 is: 12,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.69 : 21,366.62 = 8,768.17 : x
  2. Step 2: Convert to fraction form
    15,482.69/21,366.62 = 8,768.17/x
  3. Step 3: Cross multiply
    15,482.69x = 21,366.62 × 8,768.17
  4. Step 4: Simplify right side
    15,482.69x = 187,346,112.64
  5. Step 5: Solve for x
    x = 187,346,112.64/15,482.69
  6. Step 6: Final answer
    x = 12,100.36

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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.