Home / 14,114.09-19,478.04-8,145.74

Finding the Fourth Proportional to 14,114.09, 19,478.04 and 8,145.74

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Solution

The fourth proportional to 14,114.09, 19,478.04 and 8,145.74 is: 11,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.09 : 19,478.04 = 8,145.74 : x
  2. Step 2: Convert to fraction form
    14,114.09/19,478.04 = 8,145.74/x
  3. Step 3: Cross multiply
    14,114.09x = 19,478.04 × 8,145.74
  4. Step 4: Simplify right side
    14,114.09x = 158,662,952.16
  5. Step 5: Solve for x
    x = 158,662,952.16/14,114.09
  6. Step 6: Final answer
    x = 11,241.46

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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.