Home / 15,419.05-23,130.02-4,325.69

Finding the Fourth Proportional to 15,419.05, 23,130.02 and 4,325.69

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Solution

The fourth proportional to 15,419.05, 23,130.02 and 4,325.69 is: 6,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.05 : 23,130.02 = 4,325.69 : x
  2. Step 2: Convert to fraction form
    15,419.05/23,130.02 = 4,325.69/x
  3. Step 3: Cross multiply
    15,419.05x = 23,130.02 × 4,325.69
  4. Step 4: Simplify right side
    15,419.05x = 100,053,314.08
  5. Step 5: Solve for x
    x = 100,053,314.08/15,419.05
  6. Step 6: Final answer
    x = 6,488.94

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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.