Home / 11,190.17-15,442.01-6,154.34

Finding the Fourth Proportional to 11,190.17, 15,442.01 and 6,154.34

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Solution

The fourth proportional to 11,190.17, 15,442.01 and 6,154.34 is: 8,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.17 : 15,442.01 = 6,154.34 : x
  2. Step 2: Convert to fraction form
    11,190.17/15,442.01 = 6,154.34/x
  3. Step 3: Cross multiply
    11,190.17x = 15,442.01 × 6,154.34
  4. Step 4: Simplify right side
    11,190.17x = 95,035,271.84
  5. Step 5: Solve for x
    x = 95,035,271.84/11,190.17
  6. Step 6: Final answer
    x = 8,492.75

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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.