Home / 10,943.08-15,102.18-6,164.20

Finding the Fourth Proportional to 10,943.08, 15,102.18 and 6,164.20

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Solution

The fourth proportional to 10,943.08, 15,102.18 and 6,164.20 is: 8,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.08 : 15,102.18 = 6,164.20 : x
  2. Step 2: Convert to fraction form
    10,943.08/15,102.18 = 6,164.20/x
  3. Step 3: Cross multiply
    10,943.08x = 15,102.18 × 6,164.20
  4. Step 4: Simplify right side
    10,943.08x = 93,092,857.96
  5. Step 5: Solve for x
    x = 93,092,857.96/10,943.08
  6. Step 6: Final answer
    x = 8,507.01

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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.