Home / 13,967.16-19,252.24-12,822.64

Finding the Fourth Proportional to 13,967.16, 19,252.24 and 12,822.64

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Solution

The fourth proportional to 13,967.16, 19,252.24 and 12,822.64 is: 17,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.16 : 19,252.24 = 12,822.64 : x
  2. Step 2: Convert to fraction form
    13,967.16/19,252.24 = 12,822.64/x
  3. Step 3: Cross multiply
    13,967.16x = 19,252.24 × 12,822.64
  4. Step 4: Simplify right side
    13,967.16x = 246,864,542.71
  5. Step 5: Solve for x
    x = 246,864,542.71/13,967.16
  6. Step 6: Final answer
    x = 17,674.64

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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.