Home / 15,263.25-21,063.74-8,548.86

Finding the Fourth Proportional to 15,263.25, 21,063.74 and 8,548.86

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Solution

The fourth proportional to 15,263.25, 21,063.74 and 8,548.86 is: 11,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.25 : 21,063.74 = 8,548.86 : x
  2. Step 2: Convert to fraction form
    15,263.25/21,063.74 = 8,548.86/x
  3. Step 3: Cross multiply
    15,263.25x = 21,063.74 × 8,548.86
  4. Step 4: Simplify right side
    15,263.25x = 180,070,964.34
  5. Step 5: Solve for x
    x = 180,070,964.34/15,263.25
  6. Step 6: Final answer
    x = 11,797.68

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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.