Home / 10,300.09-15,450.13-3,724.73

Finding the Fourth Proportional to 10,300.09, 15,450.13 and 3,724.73

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Solution

The fourth proportional to 10,300.09, 15,450.13 and 3,724.73 is: 5,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.09 : 15,450.13 = 3,724.73 : x
  2. Step 2: Convert to fraction form
    10,300.09/15,450.13 = 3,724.73/x
  3. Step 3: Cross multiply
    10,300.09x = 15,450.13 × 3,724.73
  4. Step 4: Simplify right side
    10,300.09x = 57,547,629.73
  5. Step 5: Solve for x
    x = 57,547,629.73/10,300.09
  6. Step 6: Final answer
    x = 5,587.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.