Home / 16,682.47-23,020.81-9,127.30

Finding the Fourth Proportional to 16,682.47, 23,020.81 and 9,127.30

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Solution

The fourth proportional to 16,682.47, 23,020.81 and 9,127.30 is: 12,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.47 : 23,020.81 = 9,127.30 : x
  2. Step 2: Convert to fraction form
    16,682.47/23,020.81 = 9,127.30/x
  3. Step 3: Cross multiply
    16,682.47x = 23,020.81 × 9,127.30
  4. Step 4: Simplify right side
    16,682.47x = 210,117,678.37
  5. Step 5: Solve for x
    x = 210,117,678.37/16,682.47
  6. Step 6: Final answer
    x = 12,595.12

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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.