Home / 15,484.86-21,370.92-9,197.24

Finding the Fourth Proportional to 15,484.86, 21,370.92 and 9,197.24

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Solution

The fourth proportional to 15,484.86, 21,370.92 and 9,197.24 is: 12,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.86 : 21,370.92 = 9,197.24 : x
  2. Step 2: Convert to fraction form
    15,484.86/21,370.92 = 9,197.24/x
  3. Step 3: Cross multiply
    15,484.86x = 21,370.92 × 9,197.24
  4. Step 4: Simplify right side
    15,484.86x = 196,553,480.26
  5. Step 5: Solve for x
    x = 196,553,480.26/15,484.86
  6. Step 6: Final answer
    x = 12,693.27

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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.