Home / 8,997.60-12,416.70-5,018.61

Finding the Fourth Proportional to 8,997.60, 12,416.70 and 5,018.61

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Solution

The fourth proportional to 8,997.60, 12,416.70 and 5,018.61 is: 6,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.60 : 12,416.70 = 5,018.61 : x
  2. Step 2: Convert to fraction form
    8,997.60/12,416.70 = 5,018.61/x
  3. Step 3: Cross multiply
    8,997.60x = 12,416.70 × 5,018.61
  4. Step 4: Simplify right side
    8,997.60x = 62,314,574.79
  5. Step 5: Solve for x
    x = 62,314,574.79/8,997.60
  6. Step 6: Final answer
    x = 6,925.69

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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.