Home / 12,914.01-19,370.40-5,117.35

Finding the Fourth Proportional to 12,914.01, 19,370.40 and 5,117.35

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Solution

The fourth proportional to 12,914.01, 19,370.40 and 5,117.35 is: 7,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.01 : 19,370.40 = 5,117.35 : x
  2. Step 2: Convert to fraction form
    12,914.01/19,370.40 = 5,117.35/x
  3. Step 3: Cross multiply
    12,914.01x = 19,370.40 × 5,117.35
  4. Step 4: Simplify right side
    12,914.01x = 99,125,116.44
  5. Step 5: Solve for x
    x = 99,125,116.44/12,914.01
  6. Step 6: Final answer
    x = 7,675.78

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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.