Home / 21,400.70-32,101.04-5,818.32

Finding the Fourth Proportional to 21,400.70, 32,101.04 and 5,818.32

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Solution

The fourth proportional to 21,400.70, 32,101.04 and 5,818.32 is: 8,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.70 : 32,101.04 = 5,818.32 : x
  2. Step 2: Convert to fraction form
    21,400.70/32,101.04 = 5,818.32/x
  3. Step 3: Cross multiply
    21,400.70x = 32,101.04 × 5,818.32
  4. Step 4: Simplify right side
    21,400.70x = 186,774,093.96
  5. Step 5: Solve for x
    x = 186,774,093.96/21,400.70
  6. Step 6: Final answer
    x = 8,727.48

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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.