Home / 16,688.05-23,028.51-9,132.88

Finding the Fourth Proportional to 16,688.05, 23,028.51 and 9,132.88

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Solution

The fourth proportional to 16,688.05, 23,028.51 and 9,132.88 is: 12,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.05 : 23,028.51 = 9,132.88 : x
  2. Step 2: Convert to fraction form
    16,688.05/23,028.51 = 9,132.88/x
  3. Step 3: Cross multiply
    16,688.05x = 23,028.51 × 9,132.88
  4. Step 4: Simplify right side
    16,688.05x = 210,316,618.41
  5. Step 5: Solve for x
    x = 210,316,618.41/16,688.05
  6. Step 6: Final answer
    x = 12,602.83

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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.