Home / 15,470.26-21,346.77-9,185.14

Finding the Fourth Proportional to 15,470.26, 21,346.77 and 9,185.14

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Solution

The fourth proportional to 15,470.26, 21,346.77 and 9,185.14 is: 12,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.26 : 21,346.77 = 9,185.14 : x
  2. Step 2: Convert to fraction form
    15,470.26/21,346.77 = 9,185.14/x
  3. Step 3: Cross multiply
    15,470.26x = 21,346.77 × 9,185.14
  4. Step 4: Simplify right side
    15,470.26x = 196,073,071.00
  5. Step 5: Solve for x
    x = 196,073,071.00/15,470.26
  6. Step 6: Final answer
    x = 12,674.19

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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.