Home / 15,266.24-21,064.56-8,976.32

Finding the Fourth Proportional to 15,266.24, 21,064.56 and 8,976.32

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Solution

The fourth proportional to 15,266.24, 21,064.56 and 8,976.32 is: 12,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.24 : 21,064.56 = 8,976.32 : x
  2. Step 2: Convert to fraction form
    15,266.24/21,064.56 = 8,976.32/x
  3. Step 3: Cross multiply
    15,266.24x = 21,064.56 × 8,976.32
  4. Step 4: Simplify right side
    15,266.24x = 189,082,231.22
  5. Step 5: Solve for x
    x = 189,082,231.22/15,266.24
  6. Step 6: Final answer
    x = 12,385.65

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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.