Home / 16,861.90-23,270.01-9,308.51

Finding the Fourth Proportional to 16,861.90, 23,270.01 and 9,308.51

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Solution

The fourth proportional to 16,861.90, 23,270.01 and 9,308.51 is: 12,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.90 : 23,270.01 = 9,308.51 : x
  2. Step 2: Convert to fraction form
    16,861.90/23,270.01 = 9,308.51/x
  3. Step 3: Cross multiply
    16,861.90x = 23,270.01 × 9,308.51
  4. Step 4: Simplify right side
    16,861.90x = 216,609,050.25
  5. Step 5: Solve for x
    x = 216,609,050.25/16,861.90
  6. Step 6: Final answer
    x = 12,846.07

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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.