Home / 15,500.96-21,355.68-10,716.32

Finding the Fourth Proportional to 15,500.96, 21,355.68 and 10,716.32

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Solution

The fourth proportional to 15,500.96, 21,355.68 and 10,716.32 is: 14,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.96 : 21,355.68 = 10,716.32 : x
  2. Step 2: Convert to fraction form
    15,500.96/21,355.68 = 10,716.32/x
  3. Step 3: Cross multiply
    15,500.96x = 21,355.68 × 10,716.32
  4. Step 4: Simplify right side
    15,500.96x = 228,854,300.70
  5. Step 5: Solve for x
    x = 228,854,300.70/15,500.96
  6. Step 6: Final answer
    x = 14,763.88

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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.