Home / 10,379.64-14,323.77-5,663.91

Finding the Fourth Proportional to 10,379.64, 14,323.77 and 5,663.91

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Solution

The fourth proportional to 10,379.64, 14,323.77 and 5,663.91 is: 7,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.64 : 14,323.77 = 5,663.91 : x
  2. Step 2: Convert to fraction form
    10,379.64/14,323.77 = 5,663.91/x
  3. Step 3: Cross multiply
    10,379.64x = 14,323.77 × 5,663.91
  4. Step 4: Simplify right side
    10,379.64x = 81,128,544.14
  5. Step 5: Solve for x
    x = 81,128,544.14/10,379.64
  6. Step 6: Final answer
    x = 7,816.12

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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.