Home / 15,267.32-21,069.96-8,553.52

Finding the Fourth Proportional to 15,267.32, 21,069.96 and 8,553.52

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Solution

The fourth proportional to 15,267.32, 21,069.96 and 8,553.52 is: 11,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.32 : 21,069.96 = 8,553.52 : x
  2. Step 2: Convert to fraction form
    15,267.32/21,069.96 = 8,553.52/x
  3. Step 3: Cross multiply
    15,267.32x = 21,069.96 × 8,553.52
  4. Step 4: Simplify right side
    15,267.32x = 180,222,324.26
  5. Step 5: Solve for x
    x = 180,222,324.26/15,267.32
  6. Step 6: Final answer
    x = 11,804.45

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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.