Home / 22,206.34-30,646.47-12,515.05

Finding the Fourth Proportional to 22,206.34, 30,646.47 and 12,515.05

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Solution

The fourth proportional to 22,206.34, 30,646.47 and 12,515.05 is: 17,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.34 : 30,646.47 = 12,515.05 : x
  2. Step 2: Convert to fraction form
    22,206.34/30,646.47 = 12,515.05/x
  3. Step 3: Cross multiply
    22,206.34x = 30,646.47 × 12,515.05
  4. Step 4: Simplify right side
    22,206.34x = 383,542,104.37
  5. Step 5: Solve for x
    x = 383,542,104.37/22,206.34
  6. Step 6: Final answer
    x = 17,271.74

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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.