Home / 10,339.50-14,268.54-5,623.80

Finding the Fourth Proportional to 10,339.50, 14,268.54 and 5,623.80

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Solution

The fourth proportional to 10,339.50, 14,268.54 and 5,623.80 is: 7,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.50 : 14,268.54 = 5,623.80 : x
  2. Step 2: Convert to fraction form
    10,339.50/14,268.54 = 5,623.80/x
  3. Step 3: Cross multiply
    10,339.50x = 14,268.54 × 5,623.80
  4. Step 4: Simplify right side
    10,339.50x = 80,243,415.25
  5. Step 5: Solve for x
    x = 80,243,415.25/10,339.50
  6. Step 6: Final answer
    x = 7,760.86

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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.