Home / 11,124.60-15,347.16-6,406.08

Finding the Fourth Proportional to 11,124.60, 15,347.16 and 6,406.08

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Solution

The fourth proportional to 11,124.60, 15,347.16 and 6,406.08 is: 8,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.60 : 15,347.16 = 6,406.08 : x
  2. Step 2: Convert to fraction form
    11,124.60/15,347.16 = 6,406.08/x
  3. Step 3: Cross multiply
    11,124.60x = 15,347.16 × 6,406.08
  4. Step 4: Simplify right side
    11,124.60x = 98,315,134.73
  5. Step 5: Solve for x
    x = 98,315,134.73/11,124.60
  6. Step 6: Final answer
    x = 8,837.63

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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.