Home / 22,246.68-30,703.87-12,686.59

Finding the Fourth Proportional to 22,246.68, 30,703.87 and 12,686.59

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Solution

The fourth proportional to 22,246.68, 30,703.87 and 12,686.59 is: 17,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.68 : 30,703.87 = 12,686.59 : x
  2. Step 2: Convert to fraction form
    22,246.68/30,703.87 = 12,686.59/x
  3. Step 3: Cross multiply
    22,246.68x = 30,703.87 × 12,686.59
  4. Step 4: Simplify right side
    22,246.68x = 389,527,220.27
  5. Step 5: Solve for x
    x = 389,527,220.27/22,246.68
  6. Step 6: Final answer
    x = 17,509.45

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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.