Home / 21,841.46-32,730.90-12,462.08

Finding the Fourth Proportional to 21,841.46, 32,730.90 and 12,462.08

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Solution

The fourth proportional to 21,841.46, 32,730.90 and 12,462.08 is: 18,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.46 : 32,730.90 = 12,462.08 : x
  2. Step 2: Convert to fraction form
    21,841.46/32,730.90 = 12,462.08/x
  3. Step 3: Cross multiply
    21,841.46x = 32,730.90 × 12,462.08
  4. Step 4: Simplify right side
    21,841.46x = 407,895,094.27
  5. Step 5: Solve for x
    x = 407,895,094.27/21,841.46
  6. Step 6: Final answer
    x = 18,675.27

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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.