Home / 15,039.36-22,561.20-4,648.68

Finding the Fourth Proportional to 15,039.36, 22,561.20 and 4,648.68

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Solution

The fourth proportional to 15,039.36, 22,561.20 and 4,648.68 is: 6,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.36 : 22,561.20 = 4,648.68 : x
  2. Step 2: Convert to fraction form
    15,039.36/22,561.20 = 4,648.68/x
  3. Step 3: Cross multiply
    15,039.36x = 22,561.20 × 4,648.68
  4. Step 4: Simplify right side
    15,039.36x = 104,879,799.22
  5. Step 5: Solve for x
    x = 104,879,799.22/15,039.36
  6. Step 6: Final answer
    x = 6,973.69

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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.