Home / 11,410.55-15,746.40-6,374.86

Finding the Fourth Proportional to 11,410.55, 15,746.40 and 6,374.86

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Solution

The fourth proportional to 11,410.55, 15,746.40 and 6,374.86 is: 8,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.55 : 15,746.40 = 6,374.86 : x
  2. Step 2: Convert to fraction form
    11,410.55/15,746.40 = 6,374.86/x
  3. Step 3: Cross multiply
    11,410.55x = 15,746.40 × 6,374.86
  4. Step 4: Simplify right side
    11,410.55x = 100,381,095.50
  5. Step 5: Solve for x
    x = 100,381,095.50/11,410.55
  6. Step 6: Final answer
    x = 8,797.22

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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.