Home / 17,981.72-26,972.58-6,298.28

Finding the Fourth Proportional to 17,981.72, 26,972.58 and 6,298.28

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Solution

The fourth proportional to 17,981.72, 26,972.58 and 6,298.28 is: 9,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.72 : 26,972.58 = 6,298.28 : x
  2. Step 2: Convert to fraction form
    17,981.72/26,972.58 = 6,298.28/x
  3. Step 3: Cross multiply
    17,981.72x = 26,972.58 × 6,298.28
  4. Step 4: Simplify right side
    17,981.72x = 169,880,861.16
  5. Step 5: Solve for x
    x = 169,880,861.16/17,981.72
  6. Step 6: Final answer
    x = 9,447.42

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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.