Home / 11,152.94-15,390.29-6,117.05

Finding the Fourth Proportional to 11,152.94, 15,390.29 and 6,117.05

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Solution

The fourth proportional to 11,152.94, 15,390.29 and 6,117.05 is: 8,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.94 : 15,390.29 = 6,117.05 : x
  2. Step 2: Convert to fraction form
    11,152.94/15,390.29 = 6,117.05/x
  3. Step 3: Cross multiply
    11,152.94x = 15,390.29 × 6,117.05
  4. Step 4: Simplify right side
    11,152.94x = 94,143,227.21
  5. Step 5: Solve for x
    x = 94,143,227.21/11,152.94
  6. Step 6: Final answer
    x = 8,441.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.