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Finding the Fourth Proportional to 14,465.58, 19,955.88 and 8,497.14

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Solution

The fourth proportional to 14,465.58, 19,955.88 and 8,497.14 is: 11,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.58 : 19,955.88 = 8,497.14 : x
  2. Step 2: Convert to fraction form
    14,465.58/19,955.88 = 8,497.14/x
  3. Step 3: Cross multiply
    14,465.58x = 19,955.88 × 8,497.14
  4. Step 4: Simplify right side
    14,465.58x = 169,567,906.18
  5. Step 5: Solve for x
    x = 169,567,906.18/14,465.58
  6. Step 6: Final answer
    x = 11,722.16

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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.