Home / 15,284.16-22,905.76-12,580.80

Finding the Fourth Proportional to 15,284.16, 22,905.76 and 12,580.80

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Solution

The fourth proportional to 15,284.16, 22,905.76 and 12,580.80 is: 18,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.16 : 22,905.76 = 12,580.80 : x
  2. Step 2: Convert to fraction form
    15,284.16/22,905.76 = 12,580.80/x
  3. Step 3: Cross multiply
    15,284.16x = 22,905.76 × 12,580.80
  4. Step 4: Simplify right side
    15,284.16x = 288,172,785.41
  5. Step 5: Solve for x
    x = 288,172,785.41/15,284.16
  6. Step 6: Final answer
    x = 18,854.34

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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.