Home / 11,376.66-15,698.82-6,340.50

Finding the Fourth Proportional to 11,376.66, 15,698.82 and 6,340.50

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Solution

The fourth proportional to 11,376.66, 15,698.82 and 6,340.50 is: 8,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.66 : 15,698.82 = 6,340.50 : x
  2. Step 2: Convert to fraction form
    11,376.66/15,698.82 = 6,340.50/x
  3. Step 3: Cross multiply
    11,376.66x = 15,698.82 × 6,340.50
  4. Step 4: Simplify right side
    11,376.66x = 99,538,368.21
  5. Step 5: Solve for x
    x = 99,538,368.21/11,376.66
  6. Step 6: Final answer
    x = 8,749.35

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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.