Home / 15,318.14-21,133.65-10,016.06

Finding the Fourth Proportional to 15,318.14, 21,133.65 and 10,016.06

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Solution

The fourth proportional to 15,318.14, 21,133.65 and 10,016.06 is: 13,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.14 : 21,133.65 = 10,016.06 : x
  2. Step 2: Convert to fraction form
    15,318.14/21,133.65 = 10,016.06/x
  3. Step 3: Cross multiply
    15,318.14x = 21,133.65 × 10,016.06
  4. Step 4: Simplify right side
    15,318.14x = 211,675,906.42
  5. Step 5: Solve for x
    x = 211,675,906.42/15,318.14
  6. Step 6: Final answer
    x = 13,818.64

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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.