Home / 18,577.52-27,875.39-8,717.60

Finding the Fourth Proportional to 18,577.52, 27,875.39 and 8,717.60

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Solution

The fourth proportional to 18,577.52, 27,875.39 and 8,717.60 is: 13,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.52 : 27,875.39 = 8,717.60 : x
  2. Step 2: Convert to fraction form
    18,577.52/27,875.39 = 8,717.60/x
  3. Step 3: Cross multiply
    18,577.52x = 27,875.39 × 8,717.60
  4. Step 4: Simplify right side
    18,577.52x = 243,006,316.90
  5. Step 5: Solve for x
    x = 243,006,316.90/18,577.52
  6. Step 6: Final answer
    x = 13,080.67

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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.