Home / 15,176.84-20,944.55-8,803.26

Finding the Fourth Proportional to 15,176.84, 20,944.55 and 8,803.26

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Solution

The fourth proportional to 15,176.84, 20,944.55 and 8,803.26 is: 12,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.84 : 20,944.55 = 8,803.26 : x
  2. Step 2: Convert to fraction form
    15,176.84/20,944.55 = 8,803.26/x
  3. Step 3: Cross multiply
    15,176.84x = 20,944.55 × 8,803.26
  4. Step 4: Simplify right side
    15,176.84x = 184,380,341.24
  5. Step 5: Solve for x
    x = 184,380,341.24/15,176.84
  6. Step 6: Final answer
    x = 12,148.80

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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.