Home / 15,467.02-21,338.51-8,751.11

Finding the Fourth Proportional to 15,467.02, 21,338.51 and 8,751.11

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Solution

The fourth proportional to 15,467.02, 21,338.51 and 8,751.11 is: 12,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.02 : 21,338.51 = 8,751.11 : x
  2. Step 2: Convert to fraction form
    15,467.02/21,338.51 = 8,751.11/x
  3. Step 3: Cross multiply
    15,467.02x = 21,338.51 × 8,751.11
  4. Step 4: Simplify right side
    15,467.02x = 186,735,497.80
  5. Step 5: Solve for x
    x = 186,735,497.80/15,467.02
  6. Step 6: Final answer
    x = 12,073.14

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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.