Home / 11,376.61-15,699.76-6,341.84

Finding the Fourth Proportional to 11,376.61, 15,699.76 and 6,341.84

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Solution

The fourth proportional to 11,376.61, 15,699.76 and 6,341.84 is: 8,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.61 : 15,699.76 = 6,341.84 : x
  2. Step 2: Convert to fraction form
    11,376.61/15,699.76 = 6,341.84/x
  3. Step 3: Cross multiply
    11,376.61x = 15,699.76 × 6,341.84
  4. Step 4: Simplify right side
    11,376.61x = 99,565,405.41
  5. Step 5: Solve for x
    x = 99,565,405.41/11,376.61
  6. Step 6: Final answer
    x = 8,751.76

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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.