Home / 10,290.61-14,201.31-6,309.43

Finding the Fourth Proportional to 10,290.61, 14,201.31 and 6,309.43

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Solution

The fourth proportional to 10,290.61, 14,201.31 and 6,309.43 is: 8,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.61 : 14,201.31 = 6,309.43 : x
  2. Step 2: Convert to fraction form
    10,290.61/14,201.31 = 6,309.43/x
  3. Step 3: Cross multiply
    10,290.61x = 14,201.31 × 6,309.43
  4. Step 4: Simplify right side
    10,290.61x = 89,602,171.35
  5. Step 5: Solve for x
    x = 89,602,171.35/10,290.61
  6. Step 6: Final answer
    x = 8,707.18

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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.