Home / 14,094.80-21,142.20-8,248.40

Finding the Fourth Proportional to 14,094.80, 21,142.20 and 8,248.40

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Solution

The fourth proportional to 14,094.80, 21,142.20 and 8,248.40 is: 12,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.80 : 21,142.20 = 8,248.40 : x
  2. Step 2: Convert to fraction form
    14,094.80/21,142.20 = 8,248.40/x
  3. Step 3: Cross multiply
    14,094.80x = 21,142.20 × 8,248.40
  4. Step 4: Simplify right side
    14,094.80x = 174,389,322.48
  5. Step 5: Solve for x
    x = 174,389,322.48/14,094.80
  6. Step 6: Final answer
    x = 12,372.60

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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.