Home / 19,501.80-29,274.30-12,114.60

Finding the Fourth Proportional to 19,501.80, 29,274.30 and 12,114.60

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Solution

The fourth proportional to 19,501.80, 29,274.30 and 12,114.60 is: 18,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.80 : 29,274.30 = 12,114.60 : x
  2. Step 2: Convert to fraction form
    19,501.80/29,274.30 = 12,114.60/x
  3. Step 3: Cross multiply
    19,501.80x = 29,274.30 × 12,114.60
  4. Step 4: Simplify right side
    19,501.80x = 354,646,434.78
  5. Step 5: Solve for x
    x = 354,646,434.78/19,501.80
  6. Step 6: Final answer
    x = 18,185.32

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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.