Home / 18,746.66-25,871.18-10,788.91

Finding the Fourth Proportional to 18,746.66, 25,871.18 and 10,788.91

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Solution

The fourth proportional to 18,746.66, 25,871.18 and 10,788.91 is: 14,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.66 : 25,871.18 = 10,788.91 : x
  2. Step 2: Convert to fraction form
    18,746.66/25,871.18 = 10,788.91/x
  3. Step 3: Cross multiply
    18,746.66x = 25,871.18 × 10,788.91
  4. Step 4: Simplify right side
    18,746.66x = 279,121,713.99
  5. Step 5: Solve for x
    x = 279,121,713.99/18,746.66
  6. Step 6: Final answer
    x = 14,889.14

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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.