Home / 14,436.04-19,921.80-8,467.80

Finding the Fourth Proportional to 14,436.04, 19,921.80 and 8,467.80

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Solution

The fourth proportional to 14,436.04, 19,921.80 and 8,467.80 is: 11,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.04 : 19,921.80 = 8,467.80 : x
  2. Step 2: Convert to fraction form
    14,436.04/19,921.80 = 8,467.80/x
  3. Step 3: Cross multiply
    14,436.04x = 19,921.80 × 8,467.80
  4. Step 4: Simplify right side
    14,436.04x = 168,693,818.04
  5. Step 5: Solve for x
    x = 168,693,818.04/14,436.04
  6. Step 6: Final answer
    x = 11,685.60

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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.