Home / 10,243.77-14,135.59-5,766.63

Finding the Fourth Proportional to 10,243.77, 14,135.59 and 5,766.63

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Solution

The fourth proportional to 10,243.77, 14,135.59 and 5,766.63 is: 7,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.77 : 14,135.59 = 5,766.63 : x
  2. Step 2: Convert to fraction form
    10,243.77/14,135.59 = 5,766.63/x
  3. Step 3: Cross multiply
    10,243.77x = 14,135.59 × 5,766.63
  4. Step 4: Simplify right side
    10,243.77x = 81,514,717.36
  5. Step 5: Solve for x
    x = 81,514,717.36/10,243.77
  6. Step 6: Final answer
    x = 7,957.49

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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.