Home / 18,977.55-28,465.47-6,498.69

Finding the Fourth Proportional to 18,977.55, 28,465.47 and 6,498.69

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Solution

The fourth proportional to 18,977.55, 28,465.47 and 6,498.69 is: 9,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.55 : 28,465.47 = 6,498.69 : x
  2. Step 2: Convert to fraction form
    18,977.55/28,465.47 = 6,498.69/x
  3. Step 3: Cross multiply
    18,977.55x = 28,465.47 × 6,498.69
  4. Step 4: Simplify right side
    18,977.55x = 184,988,265.23
  5. Step 5: Solve for x
    x = 184,988,265.23/18,977.55
  6. Step 6: Final answer
    x = 9,747.74

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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.