Home / 18,490.08-25,516.28-10,106.60

Finding the Fourth Proportional to 18,490.08, 25,516.28 and 10,106.60

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Solution

The fourth proportional to 18,490.08, 25,516.28 and 10,106.60 is: 13,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.08 : 25,516.28 = 10,106.60 : x
  2. Step 2: Convert to fraction form
    18,490.08/25,516.28 = 10,106.60/x
  3. Step 3: Cross multiply
    18,490.08x = 25,516.28 × 10,106.60
  4. Step 4: Simplify right side
    18,490.08x = 257,882,835.45
  5. Step 5: Solve for x
    x = 257,882,835.45/18,490.08
  6. Step 6: Final answer
    x = 13,947.09

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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.