Home / 15,309.02-21,126.26-8,594.47

Finding the Fourth Proportional to 15,309.02, 21,126.26 and 8,594.47

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Solution

The fourth proportional to 15,309.02, 21,126.26 and 8,594.47 is: 11,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.02 : 21,126.26 = 8,594.47 : x
  2. Step 2: Convert to fraction form
    15,309.02/21,126.26 = 8,594.47/x
  3. Step 3: Cross multiply
    15,309.02x = 21,126.26 × 8,594.47
  4. Step 4: Simplify right side
    15,309.02x = 181,568,986.30
  5. Step 5: Solve for x
    x = 181,568,986.30/15,309.02
  6. Step 6: Final answer
    x = 11,860.26

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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.