Home / 14,175.04-19,561.80-7,801.90

Finding the Fourth Proportional to 14,175.04, 19,561.80 and 7,801.90

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Solution

The fourth proportional to 14,175.04, 19,561.80 and 7,801.90 is: 10,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.04 : 19,561.80 = 7,801.90 : x
  2. Step 2: Convert to fraction form
    14,175.04/19,561.80 = 7,801.90/x
  3. Step 3: Cross multiply
    14,175.04x = 19,561.80 × 7,801.90
  4. Step 4: Simplify right side
    14,175.04x = 152,619,207.42
  5. Step 5: Solve for x
    x = 152,619,207.42/14,175.04
  6. Step 6: Final answer
    x = 10,766.76

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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.