Home / 15,020.86-20,727.48-9,356.26

Finding the Fourth Proportional to 15,020.86, 20,727.48 and 9,356.26

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Solution

The fourth proportional to 15,020.86, 20,727.48 and 9,356.26 is: 12,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.86 : 20,727.48 = 9,356.26 : x
  2. Step 2: Convert to fraction form
    15,020.86/20,727.48 = 9,356.26/x
  3. Step 3: Cross multiply
    15,020.86x = 20,727.48 × 9,356.26
  4. Step 4: Simplify right side
    15,020.86x = 193,931,692.02
  5. Step 5: Solve for x
    x = 193,931,692.02/15,020.86
  6. Step 6: Final answer
    x = 12,910.82

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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.