Home / 15,019.02-20,725.41-8,304.25

Finding the Fourth Proportional to 15,019.02, 20,725.41 and 8,304.25

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Solution

The fourth proportional to 15,019.02, 20,725.41 and 8,304.25 is: 11,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.02 : 20,725.41 = 8,304.25 : x
  2. Step 2: Convert to fraction form
    15,019.02/20,725.41 = 8,304.25/x
  3. Step 3: Cross multiply
    15,019.02x = 20,725.41 × 8,304.25
  4. Step 4: Simplify right side
    15,019.02x = 172,108,887.50
  5. Step 5: Solve for x
    x = 172,108,887.50/15,019.02
  6. Step 6: Final answer
    x = 11,459.40

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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.