Home / 11,349.86-15,663.65-6,314.49

Finding the Fourth Proportional to 11,349.86, 15,663.65 and 6,314.49

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Solution

The fourth proportional to 11,349.86, 15,663.65 and 6,314.49 is: 8,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.86 : 15,663.65 = 6,314.49 : x
  2. Step 2: Convert to fraction form
    11,349.86/15,663.65 = 6,314.49/x
  3. Step 3: Cross multiply
    11,349.86x = 15,663.65 × 6,314.49
  4. Step 4: Simplify right side
    11,349.86x = 98,907,929.72
  5. Step 5: Solve for x
    x = 98,907,929.72/11,349.86
  6. Step 6: Final answer
    x = 8,714.47

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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.