Home / 19,022.56-26,251.06-10,639.04

Finding the Fourth Proportional to 19,022.56, 26,251.06 and 10,639.04

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Solution

The fourth proportional to 19,022.56, 26,251.06 and 10,639.04 is: 14,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.56 : 26,251.06 = 10,639.04 : x
  2. Step 2: Convert to fraction form
    19,022.56/26,251.06 = 10,639.04/x
  3. Step 3: Cross multiply
    19,022.56x = 26,251.06 × 10,639.04
  4. Step 4: Simplify right side
    19,022.56x = 279,286,077.38
  5. Step 5: Solve for x
    x = 279,286,077.38/19,022.56
  6. Step 6: Final answer
    x = 14,681.83

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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.