Home / 15,588.86-21,497.27-9,619.26

Finding the Fourth Proportional to 15,588.86, 21,497.27 and 9,619.26

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Solution

The fourth proportional to 15,588.86, 21,497.27 and 9,619.26 is: 13,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.86 : 21,497.27 = 9,619.26 : x
  2. Step 2: Convert to fraction form
    15,588.86/21,497.27 = 9,619.26/x
  3. Step 3: Cross multiply
    15,588.86x = 21,497.27 × 9,619.26
  4. Step 4: Simplify right side
    15,588.86x = 206,787,781.32
  5. Step 5: Solve for x
    x = 206,787,781.32/15,588.86
  6. Step 6: Final answer
    x = 13,265.10

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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.