Home / 19,025.28-28,537.68-6,545.40

Finding the Fourth Proportional to 19,025.28, 28,537.68 and 6,545.40

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Solution

The fourth proportional to 19,025.28, 28,537.68 and 6,545.40 is: 9,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.28 : 28,537.68 = 6,545.40 : x
  2. Step 2: Convert to fraction form
    19,025.28/28,537.68 = 6,545.40/x
  3. Step 3: Cross multiply
    19,025.28x = 28,537.68 × 6,545.40
  4. Step 4: Simplify right side
    19,025.28x = 186,790,530.67
  5. Step 5: Solve for x
    x = 186,790,530.67/19,025.28
  6. Step 6: Final answer
    x = 9,818.02

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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.