Home / 19,057.39-28,612.27-9,703.69

Finding the Fourth Proportional to 19,057.39, 28,612.27 and 9,703.69

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Solution

The fourth proportional to 19,057.39, 28,612.27 and 9,703.69 is: 14,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.39 : 28,612.27 = 9,703.69 : x
  2. Step 2: Convert to fraction form
    19,057.39/28,612.27 = 9,703.69/x
  3. Step 3: Cross multiply
    19,057.39x = 28,612.27 × 9,703.69
  4. Step 4: Simplify right side
    19,057.39x = 277,644,669.81
  5. Step 5: Solve for x
    x = 277,644,669.81/19,057.39
  6. Step 6: Final answer
    x = 14,568.87

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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.