Home / 16,742.86-23,104.85-9,189.28

Finding the Fourth Proportional to 16,742.86, 23,104.85 and 9,189.28

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Solution

The fourth proportional to 16,742.86, 23,104.85 and 9,189.28 is: 12,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.86 : 23,104.85 = 9,189.28 : x
  2. Step 2: Convert to fraction form
    16,742.86/23,104.85 = 9,189.28/x
  3. Step 3: Cross multiply
    16,742.86x = 23,104.85 × 9,189.28
  4. Step 4: Simplify right side
    16,742.86x = 212,316,918.94
  5. Step 5: Solve for x
    x = 212,316,918.94/16,742.86
  6. Step 6: Final answer
    x = 12,681.04

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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.