Home / 10,203.09-15,307.10-4,276.73

Finding the Fourth Proportional to 10,203.09, 15,307.10 and 4,276.73

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Solution

The fourth proportional to 10,203.09, 15,307.10 and 4,276.73 is: 6,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.09 : 15,307.10 = 4,276.73 : x
  2. Step 2: Convert to fraction form
    10,203.09/15,307.10 = 4,276.73/x
  3. Step 3: Cross multiply
    10,203.09x = 15,307.10 × 4,276.73
  4. Step 4: Simplify right side
    10,203.09x = 65,464,235.86
  5. Step 5: Solve for x
    x = 65,464,235.86/10,203.09
  6. Step 6: Final answer
    x = 6,416.12

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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.