Home / 13,057.28-19,585.64-5,265.92

Finding the Fourth Proportional to 13,057.28, 19,585.64 and 5,265.92

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Solution

The fourth proportional to 13,057.28, 19,585.64 and 5,265.92 is: 7,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.28 : 19,585.64 = 5,265.92 : x
  2. Step 2: Convert to fraction form
    13,057.28/19,585.64 = 5,265.92/x
  3. Step 3: Cross multiply
    13,057.28x = 19,585.64 × 5,265.92
  4. Step 4: Simplify right side
    13,057.28x = 103,136,413.39
  5. Step 5: Solve for x
    x = 103,136,413.39/13,057.28
  6. Step 6: Final answer
    x = 7,898.77

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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.