Home / 15,035.32-20,748.22-8,321.23

Finding the Fourth Proportional to 15,035.32, 20,748.22 and 8,321.23

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Solution

The fourth proportional to 15,035.32, 20,748.22 and 8,321.23 is: 11,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.32 : 20,748.22 = 8,321.23 : x
  2. Step 2: Convert to fraction form
    15,035.32/20,748.22 = 8,321.23/x
  3. Step 3: Cross multiply
    15,035.32x = 20,748.22 × 8,321.23
  4. Step 4: Simplify right side
    15,035.32x = 172,650,710.71
  5. Step 5: Solve for x
    x = 172,650,710.71/15,035.32
  6. Step 6: Final answer
    x = 11,483.01

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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.