Home / 15,568.12-21,483.93-8,494.48

Finding the Fourth Proportional to 15,568.12, 21,483.93 and 8,494.48

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Solution

The fourth proportional to 15,568.12, 21,483.93 and 8,494.48 is: 11,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.12 : 21,483.93 = 8,494.48 : x
  2. Step 2: Convert to fraction form
    15,568.12/21,483.93 = 8,494.48/x
  3. Step 3: Cross multiply
    15,568.12x = 21,483.93 × 8,494.48
  4. Step 4: Simplify right side
    15,568.12x = 182,494,813.71
  5. Step 5: Solve for x
    x = 182,494,813.71/15,568.12
  6. Step 6: Final answer
    x = 11,722.34

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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.