Home / 10,724.44-14,803.86-10,428.52

Finding the Fourth Proportional to 10,724.44, 14,803.86 and 10,428.52

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Solution

The fourth proportional to 10,724.44, 14,803.86 and 10,428.52 is: 14,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.44 : 14,803.86 = 10,428.52 : x
  2. Step 2: Convert to fraction form
    10,724.44/14,803.86 = 10,428.52/x
  3. Step 3: Cross multiply
    10,724.44x = 14,803.86 × 10,428.52
  4. Step 4: Simplify right side
    10,724.44x = 154,382,350.09
  5. Step 5: Solve for x
    x = 154,382,350.09/10,724.44
  6. Step 6: Final answer
    x = 14,395.38

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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.