Home / 10,300.50-15,440.22-5,032.80

Finding the Fourth Proportional to 10,300.50, 15,440.22 and 5,032.80

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Solution

The fourth proportional to 10,300.50, 15,440.22 and 5,032.80 is: 7,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.50 : 15,440.22 = 5,032.80 : x
  2. Step 2: Convert to fraction form
    10,300.50/15,440.22 = 5,032.80/x
  3. Step 3: Cross multiply
    10,300.50x = 15,440.22 × 5,032.80
  4. Step 4: Simplify right side
    10,300.50x = 77,707,539.22
  5. Step 5: Solve for x
    x = 77,707,539.22/10,300.50
  6. Step 6: Final answer
    x = 7,544.06

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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.