Home / 14,304.08-21,426.72-6,886.64

Finding the Fourth Proportional to 14,304.08, 21,426.72 and 6,886.64

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Solution

The fourth proportional to 14,304.08, 21,426.72 and 6,886.64 is: 10,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.08 : 21,426.72 = 6,886.64 : x
  2. Step 2: Convert to fraction form
    14,304.08/21,426.72 = 6,886.64/x
  3. Step 3: Cross multiply
    14,304.08x = 21,426.72 × 6,886.64
  4. Step 4: Simplify right side
    14,304.08x = 147,558,107.02
  5. Step 5: Solve for x
    x = 147,558,107.02/14,304.08
  6. Step 6: Final answer
    x = 10,315.81

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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.