Home / 15,532.08-21,433.62-8,458.48

Finding the Fourth Proportional to 15,532.08, 21,433.62 and 8,458.48

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Solution

The fourth proportional to 15,532.08, 21,433.62 and 8,458.48 is: 11,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.08 : 21,433.62 = 8,458.48 : x
  2. Step 2: Convert to fraction form
    15,532.08/21,433.62 = 8,458.48/x
  3. Step 3: Cross multiply
    15,532.08x = 21,433.62 × 8,458.48
  4. Step 4: Simplify right side
    15,532.08x = 181,295,846.10
  5. Step 5: Solve for x
    x = 181,295,846.10/15,532.08
  6. Step 6: Final answer
    x = 11,672.35

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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.