Home / 11,376.30-15,699.32-6,341.53

Finding the Fourth Proportional to 11,376.30, 15,699.32 and 6,341.53

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Solution

The fourth proportional to 11,376.30, 15,699.32 and 6,341.53 is: 8,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.30 : 15,699.32 = 6,341.53 : x
  2. Step 2: Convert to fraction form
    11,376.30/15,699.32 = 6,341.53/x
  3. Step 3: Cross multiply
    11,376.30x = 15,699.32 × 6,341.53
  4. Step 4: Simplify right side
    11,376.30x = 99,557,668.94
  5. Step 5: Solve for x
    x = 99,557,668.94/11,376.30
  6. Step 6: Final answer
    x = 8,751.32

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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.