Home / 11,118.08-15,342.72-6,150.08

Finding the Fourth Proportional to 11,118.08, 15,342.72 and 6,150.08

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Solution

The fourth proportional to 11,118.08, 15,342.72 and 6,150.08 is: 8,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.08 : 15,342.72 = 6,150.08 : x
  2. Step 2: Convert to fraction form
    11,118.08/15,342.72 = 6,150.08/x
  3. Step 3: Cross multiply
    11,118.08x = 15,342.72 × 6,150.08
  4. Step 4: Simplify right side
    11,118.08x = 94,358,955.42
  5. Step 5: Solve for x
    x = 94,358,955.42/11,118.08
  6. Step 6: Final answer
    x = 8,486.98

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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.