Home / 15,629.01-21,570.83-8,825.10

Finding the Fourth Proportional to 15,629.01, 21,570.83 and 8,825.10

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Solution

The fourth proportional to 15,629.01, 21,570.83 and 8,825.10 is: 12,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.01 : 21,570.83 = 8,825.10 : x
  2. Step 2: Convert to fraction form
    15,629.01/21,570.83 = 8,825.10/x
  3. Step 3: Cross multiply
    15,629.01x = 21,570.83 × 8,825.10
  4. Step 4: Simplify right side
    15,629.01x = 190,364,687.71
  5. Step 5: Solve for x
    x = 190,364,687.71/15,629.01
  6. Step 6: Final answer
    x = 12,180.21

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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.