Home / 11,152.02-15,388.66-6,437.82

Finding the Fourth Proportional to 11,152.02, 15,388.66 and 6,437.82

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Solution

The fourth proportional to 11,152.02, 15,388.66 and 6,437.82 is: 8,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.02 : 15,388.66 = 6,437.82 : x
  2. Step 2: Convert to fraction form
    11,152.02/15,388.66 = 6,437.82/x
  3. Step 3: Cross multiply
    11,152.02x = 15,388.66 × 6,437.82
  4. Step 4: Simplify right side
    11,152.02x = 99,069,423.12
  5. Step 5: Solve for x
    x = 99,069,423.12/11,152.02
  6. Step 6: Final answer
    x = 8,883.54

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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.