Home / 19,292.72-26,612.04-13,240.20

Finding the Fourth Proportional to 19,292.72, 26,612.04 and 13,240.20

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Solution

The fourth proportional to 19,292.72, 26,612.04 and 13,240.20 is: 18,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.72 : 26,612.04 = 13,240.20 : x
  2. Step 2: Convert to fraction form
    19,292.72/26,612.04 = 13,240.20/x
  3. Step 3: Cross multiply
    19,292.72x = 26,612.04 × 13,240.20
  4. Step 4: Simplify right side
    19,292.72x = 352,348,732.01
  5. Step 5: Solve for x
    x = 352,348,732.01/19,292.72
  6. Step 6: Final answer
    x = 18,263.30

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Similar ratio
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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.