Home / 18,677.91-25,775.64-10,719.93

Finding the Fourth Proportional to 18,677.91, 25,775.64 and 10,719.93

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Solution

The fourth proportional to 18,677.91, 25,775.64 and 10,719.93 is: 14,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.91 : 25,775.64 = 10,719.93 : x
  2. Step 2: Convert to fraction form
    18,677.91/25,775.64 = 10,719.93/x
  3. Step 3: Cross multiply
    18,677.91x = 25,775.64 × 10,719.93
  4. Step 4: Simplify right side
    18,677.91x = 276,313,056.51
  5. Step 5: Solve for x
    x = 276,313,056.51/18,677.91
  6. Step 6: Final answer
    x = 14,793.57

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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.