Home / 10,315.98-14,236.09-5,600.25

Finding the Fourth Proportional to 10,315.98, 14,236.09 and 5,600.25

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Solution

The fourth proportional to 10,315.98, 14,236.09 and 5,600.25 is: 7,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.98 : 14,236.09 = 5,600.25 : x
  2. Step 2: Convert to fraction form
    10,315.98/14,236.09 = 5,600.25/x
  3. Step 3: Cross multiply
    10,315.98x = 14,236.09 × 5,600.25
  4. Step 4: Simplify right side
    10,315.98x = 79,725,649.02
  5. Step 5: Solve for x
    x = 79,725,649.02/10,315.98
  6. Step 6: Final answer
    x = 7,728.36

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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.