Home / 8,997.12-12,415.40-5,017.96

Finding the Fourth Proportional to 8,997.12, 12,415.40 and 5,017.96

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Solution

The fourth proportional to 8,997.12, 12,415.40 and 5,017.96 is: 6,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.12 : 12,415.40 = 5,017.96 : x
  2. Step 2: Convert to fraction form
    8,997.12/12,415.40 = 5,017.96/x
  3. Step 3: Cross multiply
    8,997.12x = 12,415.40 × 5,017.96
  4. Step 4: Simplify right side
    8,997.12x = 62,299,980.58
  5. Step 5: Solve for x
    x = 62,299,980.58/8,997.12
  6. Step 6: Final answer
    x = 6,924.44

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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.