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Finding the Fourth Proportional to 18,497.84, 27,746.52 and 4,646.84

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Solution

The fourth proportional to 18,497.84, 27,746.52 and 4,646.84 is: 6,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.84 : 27,746.52 = 4,646.84 : x
  2. Step 2: Convert to fraction form
    18,497.84/27,746.52 = 4,646.84/x
  3. Step 3: Cross multiply
    18,497.84x = 27,746.52 × 4,646.84
  4. Step 4: Simplify right side
    18,497.84x = 128,933,639.00
  5. Step 5: Solve for x
    x = 128,933,639.00/18,497.84
  6. Step 6: Final answer
    x = 6,970.20

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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.