Home / 8,994.49-12,412.34-5,015.65

Finding the Fourth Proportional to 8,994.49, 12,412.34 and 5,015.65

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Solution

The fourth proportional to 8,994.49, 12,412.34 and 5,015.65 is: 6,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.49 : 12,412.34 = 5,015.65 : x
  2. Step 2: Convert to fraction form
    8,994.49/12,412.34 = 5,015.65/x
  3. Step 3: Cross multiply
    8,994.49x = 12,412.34 × 5,015.65
  4. Step 4: Simplify right side
    8,994.49x = 62,255,953.12
  5. Step 5: Solve for x
    x = 62,255,953.12/8,994.49
  6. Step 6: Final answer
    x = 6,921.57

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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.