Home / 25,139.38-37,709.02-6,419.41

Finding the Fourth Proportional to 25,139.38, 37,709.02 and 6,419.41

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Solution

The fourth proportional to 25,139.38, 37,709.02 and 6,419.41 is: 9,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.38 : 37,709.02 = 6,419.41 : x
  2. Step 2: Convert to fraction form
    25,139.38/37,709.02 = 6,419.41/x
  3. Step 3: Cross multiply
    25,139.38x = 37,709.02 × 6,419.41
  4. Step 4: Simplify right side
    25,139.38x = 242,069,660.08
  5. Step 5: Solve for x
    x = 242,069,660.08/25,139.38
  6. Step 6: Final answer
    x = 9,629.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.