Home / 13,046.06-19,564.86-4,278.90

Finding the Fourth Proportional to 13,046.06, 19,564.86 and 4,278.90

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Solution

The fourth proportional to 13,046.06, 19,564.86 and 4,278.90 is: 6,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.06 : 19,564.86 = 4,278.90 : x
  2. Step 2: Convert to fraction form
    13,046.06/19,564.86 = 4,278.90/x
  3. Step 3: Cross multiply
    13,046.06x = 19,564.86 × 4,278.90
  4. Step 4: Simplify right side
    13,046.06x = 83,716,079.45
  5. Step 5: Solve for x
    x = 83,716,079.45/13,046.06
  6. Step 6: Final answer
    x = 6,416.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.