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Finding the Fourth Proportional to 14,016, 19,342.32 and 9,056.64

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Solution

The fourth proportional to 14,016, 19,342.32 and 9,056.64 is: 12,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016 : 19,342.32 = 9,056.64 : x
  2. Step 2: Convert to fraction form
    14,016/19,342.32 = 9,056.64/x
  3. Step 3: Cross multiply
    14,016x = 19,342.32 × 9,056.64
  4. Step 4: Simplify right side
    14,016x = 175,176,429.00
  5. Step 5: Solve for x
    x = 175,176,429.00/14,016
  6. Step 6: Final answer
    x = 12,498.32

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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.