Home / 10,117.95-15,175.50-4,273.21

Finding the Fourth Proportional to 10,117.95, 15,175.50 and 4,273.21

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Solution

The fourth proportional to 10,117.95, 15,175.50 and 4,273.21 is: 6,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.95 : 15,175.50 = 4,273.21 : x
  2. Step 2: Convert to fraction form
    10,117.95/15,175.50 = 4,273.21/x
  3. Step 3: Cross multiply
    10,117.95x = 15,175.50 × 4,273.21
  4. Step 4: Simplify right side
    10,117.95x = 64,848,098.36
  5. Step 5: Solve for x
    x = 64,848,098.36/10,117.95
  6. Step 6: Final answer
    x = 6,409.21

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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.