Home / 10,954.04-15,112.78-6,237.12

Finding the Fourth Proportional to 10,954.04, 15,112.78 and 6,237.12

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Solution

The fourth proportional to 10,954.04, 15,112.78 and 6,237.12 is: 8,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.04 : 15,112.78 = 6,237.12 : x
  2. Step 2: Convert to fraction form
    10,954.04/15,112.78 = 6,237.12/x
  3. Step 3: Cross multiply
    10,954.04x = 15,112.78 × 6,237.12
  4. Step 4: Simplify right side
    10,954.04x = 94,260,222.39
  5. Step 5: Solve for x
    x = 94,260,222.39/10,954.04
  6. Step 6: Final answer
    x = 8,605.06

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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.