Home / 18,903.02-26,087.19-10,519.70

Finding the Fourth Proportional to 18,903.02, 26,087.19 and 10,519.70

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Solution

The fourth proportional to 18,903.02, 26,087.19 and 10,519.70 is: 14,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.02 : 26,087.19 = 10,519.70 : x
  2. Step 2: Convert to fraction form
    18,903.02/26,087.19 = 10,519.70/x
  3. Step 3: Cross multiply
    18,903.02x = 26,087.19 × 10,519.70
  4. Step 4: Simplify right side
    18,903.02x = 274,429,412.64
  5. Step 5: Solve for x
    x = 274,429,412.64/18,903.02
  6. Step 6: Final answer
    x = 14,517.75

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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.