Home / 10,009.85-15,018.35-4,462.70

Finding the Fourth Proportional to 10,009.85, 15,018.35 and 4,462.70

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Solution

The fourth proportional to 10,009.85, 15,018.35 and 4,462.70 is: 6,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.85 : 15,018.35 = 4,462.70 : x
  2. Step 2: Convert to fraction form
    10,009.85/15,018.35 = 4,462.70/x
  3. Step 3: Cross multiply
    10,009.85x = 15,018.35 × 4,462.70
  4. Step 4: Simplify right side
    10,009.85x = 67,022,293.14
  5. Step 5: Solve for x
    x = 67,022,293.14/10,009.85
  6. Step 6: Final answer
    x = 6,695.64

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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.