Home / 10,663.03-14,714.80-6,187.56

Finding the Fourth Proportional to 10,663.03, 14,714.80 and 6,187.56

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Solution

The fourth proportional to 10,663.03, 14,714.80 and 6,187.56 is: 8,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.03 : 14,714.80 = 6,187.56 : x
  2. Step 2: Convert to fraction form
    10,663.03/14,714.80 = 6,187.56/x
  3. Step 3: Cross multiply
    10,663.03x = 14,714.80 × 6,187.56
  4. Step 4: Simplify right side
    10,663.03x = 91,048,707.89
  5. Step 5: Solve for x
    x = 91,048,707.89/10,663.03
  6. Step 6: Final answer
    x = 8,538.73

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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.