Home / 19,370.96-26,722.04-12,660.50

Finding the Fourth Proportional to 19,370.96, 26,722.04 and 12,660.50

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Solution

The fourth proportional to 19,370.96, 26,722.04 and 12,660.50 is: 17,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.96 : 26,722.04 = 12,660.50 : x
  2. Step 2: Convert to fraction form
    19,370.96/26,722.04 = 12,660.50/x
  3. Step 3: Cross multiply
    19,370.96x = 26,722.04 × 12,660.50
  4. Step 4: Simplify right side
    19,370.96x = 338,314,387.42
  5. Step 5: Solve for x
    x = 338,314,387.42/19,370.96
  6. Step 6: Final answer
    x = 17,465.03

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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.