Home / 15,127.85-22,643.10-8,090.25

Finding the Fourth Proportional to 15,127.85, 22,643.10 and 8,090.25

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Solution

The fourth proportional to 15,127.85, 22,643.10 and 8,090.25 is: 12,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.85 : 22,643.10 = 8,090.25 : x
  2. Step 2: Convert to fraction form
    15,127.85/22,643.10 = 8,090.25/x
  3. Step 3: Cross multiply
    15,127.85x = 22,643.10 × 8,090.25
  4. Step 4: Simplify right side
    15,127.85x = 183,188,339.78
  5. Step 5: Solve for x
    x = 183,188,339.78/15,127.85
  6. Step 6: Final answer
    x = 12,109.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.