Home / 15,314.45-22,971.78-4,221.74

Finding the Fourth Proportional to 15,314.45, 22,971.78 and 4,221.74

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Solution

The fourth proportional to 15,314.45, 22,971.78 and 4,221.74 is: 6,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.45 : 22,971.78 = 4,221.74 : x
  2. Step 2: Convert to fraction form
    15,314.45/22,971.78 = 4,221.74/x
  3. Step 3: Cross multiply
    15,314.45x = 22,971.78 × 4,221.74
  4. Step 4: Simplify right side
    15,314.45x = 96,980,882.50
  5. Step 5: Solve for x
    x = 96,980,882.50/15,314.45
  6. Step 6: Final answer
    x = 6,332.64

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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.