Home / 19,089.76-28,627.77-6,606.39

Finding the Fourth Proportional to 19,089.76, 28,627.77 and 6,606.39

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Solution

The fourth proportional to 19,089.76, 28,627.77 and 6,606.39 is: 9,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.76 : 28,627.77 = 6,606.39 : x
  2. Step 2: Convert to fraction form
    19,089.76/28,627.77 = 6,606.39/x
  3. Step 3: Cross multiply
    19,089.76x = 28,627.77 × 6,606.39
  4. Step 4: Simplify right side
    19,089.76x = 189,126,221.71
  5. Step 5: Solve for x
    x = 189,126,221.71/19,089.76
  6. Step 6: Final answer
    x = 9,907.21

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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.