Home / 11,700.39-16,141.40-6,981.94

Finding the Fourth Proportional to 11,700.39, 16,141.40 and 6,981.94

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Solution

The fourth proportional to 11,700.39, 16,141.40 and 6,981.94 is: 9,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.39 : 16,141.40 = 6,981.94 : x
  2. Step 2: Convert to fraction form
    11,700.39/16,141.40 = 6,981.94/x
  3. Step 3: Cross multiply
    11,700.39x = 16,141.40 × 6,981.94
  4. Step 4: Simplify right side
    11,700.39x = 112,698,211.05
  5. Step 5: Solve for x
    x = 112,698,211.05/11,700.39
  6. Step 6: Final answer
    x = 9,632.00

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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.