Home / 10,520.39-14,517.65-6,040.99

Finding the Fourth Proportional to 10,520.39, 14,517.65 and 6,040.99

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Solution

The fourth proportional to 10,520.39, 14,517.65 and 6,040.99 is: 8,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.39 : 14,517.65 = 6,040.99 : x
  2. Step 2: Convert to fraction form
    10,520.39/14,517.65 = 6,040.99/x
  3. Step 3: Cross multiply
    10,520.39x = 14,517.65 × 6,040.99
  4. Step 4: Simplify right side
    10,520.39x = 87,700,875.68
  5. Step 5: Solve for x
    x = 87,700,875.68/10,520.39
  6. Step 6: Final answer
    x = 8,336.28

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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.