Home / 21,686.04-32,529.06-6,894.96

Finding the Fourth Proportional to 21,686.04, 32,529.06 and 6,894.96

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Solution

The fourth proportional to 21,686.04, 32,529.06 and 6,894.96 is: 10,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.04 : 32,529.06 = 6,894.96 : x
  2. Step 2: Convert to fraction form
    21,686.04/32,529.06 = 6,894.96/x
  3. Step 3: Cross multiply
    21,686.04x = 32,529.06 × 6,894.96
  4. Step 4: Simplify right side
    21,686.04x = 224,286,567.54
  5. Step 5: Solve for x
    x = 224,286,567.54/21,686.04
  6. Step 6: Final answer
    x = 10,342.44

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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.