Home / 15,627.02-21,558.43-9,335.75

Finding the Fourth Proportional to 15,627.02, 21,558.43 and 9,335.75

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Solution

The fourth proportional to 15,627.02, 21,558.43 and 9,335.75 is: 12,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.02 : 21,558.43 = 9,335.75 : x
  2. Step 2: Convert to fraction form
    15,627.02/21,558.43 = 9,335.75/x
  3. Step 3: Cross multiply
    15,627.02x = 21,558.43 × 9,335.75
  4. Step 4: Simplify right side
    15,627.02x = 201,264,112.87
  5. Step 5: Solve for x
    x = 201,264,112.87/15,627.02
  6. Step 6: Final answer
    x = 12,879.24

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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.