Home / 13,511.59-18,646.30-8,476.02

Finding the Fourth Proportional to 13,511.59, 18,646.30 and 8,476.02

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Solution

The fourth proportional to 13,511.59, 18,646.30 and 8,476.02 is: 11,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511.59 : 18,646.30 = 8,476.02 : x
  2. Step 2: Convert to fraction form
    13,511.59/18,646.30 = 8,476.02/x
  3. Step 3: Cross multiply
    13,511.59x = 18,646.30 × 8,476.02
  4. Step 4: Simplify right side
    13,511.59x = 158,046,411.73
  5. Step 5: Solve for x
    x = 158,046,411.73/13,511.59
  6. Step 6: Final answer
    x = 11,697.10

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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.