Home / 10,521.86-15,782.66-3,025.59

Finding the Fourth Proportional to 10,521.86, 15,782.66 and 3,025.59

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Solution

The fourth proportional to 10,521.86, 15,782.66 and 3,025.59 is: 4,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.86 : 15,782.66 = 3,025.59 : x
  2. Step 2: Convert to fraction form
    10,521.86/15,782.66 = 3,025.59/x
  3. Step 3: Cross multiply
    10,521.86x = 15,782.66 × 3,025.59
  4. Step 4: Simplify right side
    10,521.86x = 47,751,843.14
  5. Step 5: Solve for x
    x = 47,751,843.14/10,521.86
  6. Step 6: Final answer
    x = 4,538.35

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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.