Home / 10,016.36-15,019.95-5,335.15

Finding the Fourth Proportional to 10,016.36, 15,019.95 and 5,335.15

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Solution

The fourth proportional to 10,016.36, 15,019.95 and 5,335.15 is: 8,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.36 : 15,019.95 = 5,335.15 : x
  2. Step 2: Convert to fraction form
    10,016.36/15,019.95 = 5,335.15/x
  3. Step 3: Cross multiply
    10,016.36x = 15,019.95 × 5,335.15
  4. Step 4: Simplify right side
    10,016.36x = 80,133,611.14
  5. Step 5: Solve for x
    x = 80,133,611.14/10,016.36
  6. Step 6: Final answer
    x = 8,000.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.