Home / 13,115.83-19,671.70-7,195.63

Finding the Fourth Proportional to 13,115.83, 19,671.70 and 7,195.63

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Solution

The fourth proportional to 13,115.83, 19,671.70 and 7,195.63 is: 10,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.83 : 19,671.70 = 7,195.63 : x
  2. Step 2: Convert to fraction form
    13,115.83/19,671.70 = 7,195.63/x
  3. Step 3: Cross multiply
    13,115.83x = 19,671.70 × 7,195.63
  4. Step 4: Simplify right side
    13,115.83x = 141,550,274.67
  5. Step 5: Solve for x
    x = 141,550,274.67/13,115.83
  6. Step 6: Final answer
    x = 10,792.32

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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.