Home / 12,470.22-17,215.26-9,631.22

Finding the Fourth Proportional to 12,470.22, 17,215.26 and 9,631.22

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Solution

The fourth proportional to 12,470.22, 17,215.26 and 9,631.22 is: 13,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.22 : 17,215.26 = 9,631.22 : x
  2. Step 2: Convert to fraction form
    12,470.22/17,215.26 = 9,631.22/x
  3. Step 3: Cross multiply
    12,470.22x = 17,215.26 × 9,631.22
  4. Step 4: Simplify right side
    12,470.22x = 165,803,870.34
  5. Step 5: Solve for x
    x = 165,803,870.34/12,470.22
  6. Step 6: Final answer
    x = 13,295.99

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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.