Home / 10,315.97-14,236.05-5,600.25

Finding the Fourth Proportional to 10,315.97, 14,236.05 and 5,600.25

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Solution

The fourth proportional to 10,315.97, 14,236.05 and 5,600.25 is: 7,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.97 : 14,236.05 = 5,600.25 : x
  2. Step 2: Convert to fraction form
    10,315.97/14,236.05 = 5,600.25/x
  3. Step 3: Cross multiply
    10,315.97x = 14,236.05 × 5,600.25
  4. Step 4: Simplify right side
    10,315.97x = 79,725,460.01
  5. Step 5: Solve for x
    x = 79,725,460.01/10,315.97
  6. Step 6: Final answer
    x = 7,728.35

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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.