Home / 20,552.60-30,803.34-10,686.08

Finding the Fourth Proportional to 20,552.60, 30,803.34 and 10,686.08

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Solution

The fourth proportional to 20,552.60, 30,803.34 and 10,686.08 is: 16,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.60 : 30,803.34 = 10,686.08 : x
  2. Step 2: Convert to fraction form
    20,552.60/30,803.34 = 10,686.08/x
  3. Step 3: Cross multiply
    20,552.60x = 30,803.34 × 10,686.08
  4. Step 4: Simplify right side
    20,552.60x = 329,166,955.51
  5. Step 5: Solve for x
    x = 329,166,955.51/20,552.60
  6. Step 6: Final answer
    x = 16,015.83

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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.