Home / 19,122.93-28,688.45-5,976.29

Finding the Fourth Proportional to 19,122.93, 28,688.45 and 5,976.29

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Solution

The fourth proportional to 19,122.93, 28,688.45 and 5,976.29 is: 8,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.93 : 28,688.45 = 5,976.29 : x
  2. Step 2: Convert to fraction form
    19,122.93/28,688.45 = 5,976.29/x
  3. Step 3: Cross multiply
    19,122.93x = 28,688.45 × 5,976.29
  4. Step 4: Simplify right side
    19,122.93x = 171,450,538.69
  5. Step 5: Solve for x
    x = 171,450,538.69/19,122.93
  6. Step 6: Final answer
    x = 8,965.70

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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.