Home / 17,972.84-26,942.64-9,188.40

Finding the Fourth Proportional to 17,972.84, 26,942.64 and 9,188.40

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Solution

The fourth proportional to 17,972.84, 26,942.64 and 9,188.40 is: 13,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.84 : 26,942.64 = 9,188.40 : x
  2. Step 2: Convert to fraction form
    17,972.84/26,942.64 = 9,188.40/x
  3. Step 3: Cross multiply
    17,972.84x = 26,942.64 × 9,188.40
  4. Step 4: Simplify right side
    17,972.84x = 247,559,753.38
  5. Step 5: Solve for x
    x = 247,559,753.38/17,972.84
  6. Step 6: Final answer
    x = 13,774.10

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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.