Home / 14,427.87-21,641.70-7,767.51

Finding the Fourth Proportional to 14,427.87, 21,641.70 and 7,767.51

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Solution

The fourth proportional to 14,427.87, 21,641.70 and 7,767.51 is: 11,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.87 : 21,641.70 = 7,767.51 : x
  2. Step 2: Convert to fraction form
    14,427.87/21,641.70 = 7,767.51/x
  3. Step 3: Cross multiply
    14,427.87x = 21,641.70 × 7,767.51
  4. Step 4: Simplify right side
    14,427.87x = 168,102,121.17
  5. Step 5: Solve for x
    x = 168,102,121.17/14,427.87
  6. Step 6: Final answer
    x = 11,651.21

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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.