Home / 18,733.08-25,816.14-13,418.76

Finding the Fourth Proportional to 18,733.08, 25,816.14 and 13,418.76

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Solution

The fourth proportional to 18,733.08, 25,816.14 and 13,418.76 is: 18,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.08 : 25,816.14 = 13,418.76 : x
  2. Step 2: Convert to fraction form
    18,733.08/25,816.14 = 13,418.76/x
  3. Step 3: Cross multiply
    18,733.08x = 25,816.14 × 13,418.76
  4. Step 4: Simplify right side
    18,733.08x = 346,420,586.79
  5. Step 5: Solve for x
    x = 346,420,586.79/18,733.08
  6. Step 6: Final answer
    x = 18,492.45

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Double scale
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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.