Home / 11,440.81-17,246.95-10,678.78

Finding the Fourth Proportional to 11,440.81, 17,246.95 and 10,678.78

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Solution

The fourth proportional to 11,440.81, 17,246.95 and 10,678.78 is: 16,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.81 : 17,246.95 = 10,678.78 : x
  2. Step 2: Convert to fraction form
    11,440.81/17,246.95 = 10,678.78/x
  3. Step 3: Cross multiply
    11,440.81x = 17,246.95 × 10,678.78
  4. Step 4: Simplify right side
    11,440.81x = 184,176,384.72
  5. Step 5: Solve for x
    x = 184,176,384.72/11,440.81
  6. Step 6: Final answer
    x = 16,098.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.