Home / 15,469.19-21,336.45-14,197.16

Finding the Fourth Proportional to 15,469.19, 21,336.45 and 14,197.16

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Solution

The fourth proportional to 15,469.19, 21,336.45 and 14,197.16 is: 19,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.19 : 21,336.45 = 14,197.16 : x
  2. Step 2: Convert to fraction form
    15,469.19/21,336.45 = 14,197.16/x
  3. Step 3: Cross multiply
    15,469.19x = 21,336.45 × 14,197.16
  4. Step 4: Simplify right side
    15,469.19x = 302,917,047.82
  5. Step 5: Solve for x
    x = 302,917,047.82/15,469.19
  6. Step 6: Final answer
    x = 19,581.97

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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.