Home / 11,376.48-15,699.84-6,341.28

Finding the Fourth Proportional to 11,376.48, 15,699.84 and 6,341.28

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Solution

The fourth proportional to 11,376.48, 15,699.84 and 6,341.28 is: 8,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.48 : 15,699.84 = 6,341.28 : x
  2. Step 2: Convert to fraction form
    11,376.48/15,699.84 = 6,341.28/x
  3. Step 3: Cross multiply
    11,376.48x = 15,699.84 × 6,341.28
  4. Step 4: Simplify right side
    11,376.48x = 99,557,081.40
  5. Step 5: Solve for x
    x = 99,557,081.40/11,376.48
  6. Step 6: Final answer
    x = 8,751.13

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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.