Home / 11,935.84-16,471.60-6,631.16

Finding the Fourth Proportional to 11,935.84, 16,471.60 and 6,631.16

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Solution

The fourth proportional to 11,935.84, 16,471.60 and 6,631.16 is: 9,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.84 : 16,471.60 = 6,631.16 : x
  2. Step 2: Convert to fraction form
    11,935.84/16,471.60 = 6,631.16/x
  3. Step 3: Cross multiply
    11,935.84x = 16,471.60 × 6,631.16
  4. Step 4: Simplify right side
    11,935.84x = 109,225,815.06
  5. Step 5: Solve for x
    x = 109,225,815.06/11,935.84
  6. Step 6: Final answer
    x = 9,151.08

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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.