Home / 15,004.63-22,513.43-8,420.95

Finding the Fourth Proportional to 15,004.63, 22,513.43 and 8,420.95

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Solution

The fourth proportional to 15,004.63, 22,513.43 and 8,420.95 is: 12,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.63 : 22,513.43 = 8,420.95 : x
  2. Step 2: Convert to fraction form
    15,004.63/22,513.43 = 8,420.95/x
  3. Step 3: Cross multiply
    15,004.63x = 22,513.43 × 8,420.95
  4. Step 4: Simplify right side
    15,004.63x = 189,584,468.36
  5. Step 5: Solve for x
    x = 189,584,468.36/15,004.63
  6. Step 6: Final answer
    x = 12,635.06

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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.