Home / 18,490.07-25,516.30-10,106.57

Finding the Fourth Proportional to 18,490.07, 25,516.30 and 10,106.57

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Solution

The fourth proportional to 18,490.07, 25,516.30 and 10,106.57 is: 13,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.07 : 25,516.30 = 10,106.57 : x
  2. Step 2: Convert to fraction form
    18,490.07/25,516.30 = 10,106.57/x
  3. Step 3: Cross multiply
    18,490.07x = 25,516.30 × 10,106.57
  4. Step 4: Simplify right side
    18,490.07x = 257,882,272.09
  5. Step 5: Solve for x
    x = 257,882,272.09/18,490.07
  6. Step 6: Final answer
    x = 13,947.07

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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.