Home / 18,064.65-24,928.20-9,997.86

Finding the Fourth Proportional to 18,064.65, 24,928.20 and 9,997.86

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Solution

The fourth proportional to 18,064.65, 24,928.20 and 9,997.86 is: 13,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.65 : 24,928.20 = 9,997.86 : x
  2. Step 2: Convert to fraction form
    18,064.65/24,928.20 = 9,997.86/x
  3. Step 3: Cross multiply
    18,064.65x = 24,928.20 × 9,997.86
  4. Step 4: Simplify right side
    18,064.65x = 249,228,653.65
  5. Step 5: Solve for x
    x = 249,228,653.65/18,064.65
  6. Step 6: Final answer
    x = 13,796.48

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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.