Home / 10,011.37-15,017.79-2,990.83

Finding the Fourth Proportional to 10,011.37, 15,017.79 and 2,990.83

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Solution

The fourth proportional to 10,011.37, 15,017.79 and 2,990.83 is: 4,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.37 : 15,017.79 = 2,990.83 : x
  2. Step 2: Convert to fraction form
    10,011.37/15,017.79 = 2,990.83/x
  3. Step 3: Cross multiply
    10,011.37x = 15,017.79 × 2,990.83
  4. Step 4: Simplify right side
    10,011.37x = 44,915,656.87
  5. Step 5: Solve for x
    x = 44,915,656.87/10,011.37
  6. Step 6: Final answer
    x = 4,486.46

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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.