Home / 15,017.86-20,723.34-9,353.26

Finding the Fourth Proportional to 15,017.86, 20,723.34 and 9,353.26

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Solution

The fourth proportional to 15,017.86, 20,723.34 and 9,353.26 is: 12,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.86 : 20,723.34 = 9,353.26 : x
  2. Step 2: Convert to fraction form
    15,017.86/20,723.34 = 9,353.26/x
  3. Step 3: Cross multiply
    15,017.86x = 20,723.34 × 9,353.26
  4. Step 4: Simplify right side
    15,017.86x = 193,830,787.09
  5. Step 5: Solve for x
    x = 193,830,787.09/15,017.86
  6. Step 6: Final answer
    x = 12,906.68

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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.