Home / 19,099.10-28,641.79-6,615.76

Finding the Fourth Proportional to 19,099.10, 28,641.79 and 6,615.76

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Solution

The fourth proportional to 19,099.10, 28,641.79 and 6,615.76 is: 9,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.10 : 28,641.79 = 6,615.76 : x
  2. Step 2: Convert to fraction form
    19,099.10/28,641.79 = 6,615.76/x
  3. Step 3: Cross multiply
    19,099.10x = 28,641.79 × 6,615.76
  4. Step 4: Simplify right side
    19,099.10x = 189,487,208.61
  5. Step 5: Solve for x
    x = 189,487,208.61/19,099.10
  6. Step 6: Final answer
    x = 9,921.26

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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.