Home / 12,767.22-19,151.13-4,868.70

Finding the Fourth Proportional to 12,767.22, 19,151.13 and 4,868.70

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Solution

The fourth proportional to 12,767.22, 19,151.13 and 4,868.70 is: 7,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.22 : 19,151.13 = 4,868.70 : x
  2. Step 2: Convert to fraction form
    12,767.22/19,151.13 = 4,868.70/x
  3. Step 3: Cross multiply
    12,767.22x = 19,151.13 × 4,868.70
  4. Step 4: Simplify right side
    12,767.22x = 93,241,106.63
  5. Step 5: Solve for x
    x = 93,241,106.63/12,767.22
  6. Step 6: Final answer
    x = 7,303.16

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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.