Home / 12,963.34-19,449.11-4,643.16

Finding the Fourth Proportional to 12,963.34, 19,449.11 and 4,643.16

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Solution

The fourth proportional to 12,963.34, 19,449.11 and 4,643.16 is: 6,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.34 : 19,449.11 = 4,643.16 : x
  2. Step 2: Convert to fraction form
    12,963.34/19,449.11 = 4,643.16/x
  3. Step 3: Cross multiply
    12,963.34x = 19,449.11 × 4,643.16
  4. Step 4: Simplify right side
    12,963.34x = 90,305,268.26
  5. Step 5: Solve for x
    x = 90,305,268.26/12,963.34
  6. Step 6: Final answer
    x = 6,966.20

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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.