Home / 13,985.39-19,299.26-8,016.71

Finding the Fourth Proportional to 13,985.39, 19,299.26 and 8,016.71

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Solution

The fourth proportional to 13,985.39, 19,299.26 and 8,016.71 is: 11,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.39 : 19,299.26 = 8,016.71 : x
  2. Step 2: Convert to fraction form
    13,985.39/19,299.26 = 8,016.71/x
  3. Step 3: Cross multiply
    13,985.39x = 19,299.26 × 8,016.71
  4. Step 4: Simplify right side
    13,985.39x = 154,716,494.18
  5. Step 5: Solve for x
    x = 154,716,494.18/13,985.39
  6. Step 6: Final answer
    x = 11,062.72

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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.