Home / 19,057.62-28,588.35-5,206.74

Finding the Fourth Proportional to 19,057.62, 28,588.35 and 5,206.74

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Solution

The fourth proportional to 19,057.62, 28,588.35 and 5,206.74 is: 7,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.62 : 28,588.35 = 5,206.74 : x
  2. Step 2: Convert to fraction form
    19,057.62/28,588.35 = 5,206.74/x
  3. Step 3: Cross multiply
    19,057.62x = 28,588.35 × 5,206.74
  4. Step 4: Simplify right side
    19,057.62x = 148,852,105.48
  5. Step 5: Solve for x
    x = 148,852,105.48/19,057.62
  6. Step 6: Final answer
    x = 7,810.63

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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.