Home / 16,740.81-23,102.91-9,187.47

Finding the Fourth Proportional to 16,740.81, 23,102.91 and 9,187.47

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Solution

The fourth proportional to 16,740.81, 23,102.91 and 9,187.47 is: 12,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.81 : 23,102.91 = 9,187.47 : x
  2. Step 2: Convert to fraction form
    16,740.81/23,102.91 = 9,187.47/x
  3. Step 3: Cross multiply
    16,740.81x = 23,102.91 × 9,187.47
  4. Step 4: Simplify right side
    16,740.81x = 212,257,292.54
  5. Step 5: Solve for x
    x = 212,257,292.54/16,740.81
  6. Step 6: Final answer
    x = 12,679.03

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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.