Home / 11,223.61-15,488.53-6,188.05

Finding the Fourth Proportional to 11,223.61, 15,488.53 and 6,188.05

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Solution

The fourth proportional to 11,223.61, 15,488.53 and 6,188.05 is: 8,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.61 : 15,488.53 = 6,188.05 : x
  2. Step 2: Convert to fraction form
    11,223.61/15,488.53 = 6,188.05/x
  3. Step 3: Cross multiply
    11,223.61x = 15,488.53 × 6,188.05
  4. Step 4: Simplify right side
    11,223.61x = 95,843,798.07
  5. Step 5: Solve for x
    x = 95,843,798.07/11,223.61
  6. Step 6: Final answer
    x = 8,539.48

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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.