Home / 11,018.68-15,203.64-6,543.84

Finding the Fourth Proportional to 11,018.68, 15,203.64 and 6,543.84

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Solution

The fourth proportional to 11,018.68, 15,203.64 and 6,543.84 is: 9,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.68 : 15,203.64 = 6,543.84 : x
  2. Step 2: Convert to fraction form
    11,018.68/15,203.64 = 6,543.84/x
  3. Step 3: Cross multiply
    11,018.68x = 15,203.64 × 6,543.84
  4. Step 4: Simplify right side
    11,018.68x = 99,490,111.56
  5. Step 5: Solve for x
    x = 99,490,111.56/11,018.68
  6. Step 6: Final answer
    x = 9,029.22

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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.