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Finding the Fourth Proportional to 9,888.84, 14,822.46 and 5,992.20

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Solution

The fourth proportional to 9,888.84, 14,822.46 and 5,992.20 is: 8,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.84 : 14,822.46 = 5,992.20 : x
  2. Step 2: Convert to fraction form
    9,888.84/14,822.46 = 5,992.20/x
  3. Step 3: Cross multiply
    9,888.84x = 14,822.46 × 5,992.20
  4. Step 4: Simplify right side
    9,888.84x = 88,819,144.81
  5. Step 5: Solve for x
    x = 88,819,144.81/9,888.84
  6. Step 6: Final answer
    x = 8,981.76

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1.5x scale

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.