Home / 10,819.44-14,931.47-6,341.56

Finding the Fourth Proportional to 10,819.44, 14,931.47 and 6,341.56

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Solution

The fourth proportional to 10,819.44, 14,931.47 and 6,341.56 is: 8,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.44 : 14,931.47 = 6,341.56 : x
  2. Step 2: Convert to fraction form
    10,819.44/14,931.47 = 6,341.56/x
  3. Step 3: Cross multiply
    10,819.44x = 14,931.47 × 6,341.56
  4. Step 4: Simplify right side
    10,819.44x = 94,688,791.42
  5. Step 5: Solve for x
    x = 94,688,791.42/10,819.44
  6. Step 6: Final answer
    x = 8,751.73

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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.