Home / 16,687.81-23,028.17-9,132.63

Finding the Fourth Proportional to 16,687.81, 23,028.17 and 9,132.63

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Solution

The fourth proportional to 16,687.81, 23,028.17 and 9,132.63 is: 12,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.81 : 23,028.17 = 9,132.63 : x
  2. Step 2: Convert to fraction form
    16,687.81/23,028.17 = 9,132.63/x
  3. Step 3: Cross multiply
    16,687.81x = 23,028.17 × 9,132.63
  4. Step 4: Simplify right side
    16,687.81x = 210,307,756.19
  5. Step 5: Solve for x
    x = 210,307,756.19/16,687.81
  6. Step 6: Final answer
    x = 12,602.48

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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.