Home / 19,151.81-28,727.68-6,005.22

Finding the Fourth Proportional to 19,151.81, 28,727.68 and 6,005.22

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Solution

The fourth proportional to 19,151.81, 28,727.68 and 6,005.22 is: 9,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.81 : 28,727.68 = 6,005.22 : x
  2. Step 2: Convert to fraction form
    19,151.81/28,727.68 = 6,005.22/x
  3. Step 3: Cross multiply
    19,151.81x = 28,727.68 × 6,005.22
  4. Step 4: Simplify right side
    19,151.81x = 172,516,038.49
  5. Step 5: Solve for x
    x = 172,516,038.49/19,151.81
  6. Step 6: Final answer
    x = 9,007.82

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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.