Home / 8,997.85-12,417.29-5,018.87

Finding the Fourth Proportional to 8,997.85, 12,417.29 and 5,018.87

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Solution

The fourth proportional to 8,997.85, 12,417.29 and 5,018.87 is: 6,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.85 : 12,417.29 = 5,018.87 : x
  2. Step 2: Convert to fraction form
    8,997.85/12,417.29 = 5,018.87/x
  3. Step 3: Cross multiply
    8,997.85x = 12,417.29 × 5,018.87
  4. Step 4: Simplify right side
    8,997.85x = 62,320,827.67
  5. Step 5: Solve for x
    x = 62,320,827.67/8,997.85
  6. Step 6: Final answer
    x = 6,926.19

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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.