Home / 10,688.28-14,749.75-5,908.55

Finding the Fourth Proportional to 10,688.28, 14,749.75 and 5,908.55

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Solution

The fourth proportional to 10,688.28, 14,749.75 and 5,908.55 is: 8,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.28 : 14,749.75 = 5,908.55 : x
  2. Step 2: Convert to fraction form
    10,688.28/14,749.75 = 5,908.55/x
  3. Step 3: Cross multiply
    10,688.28x = 14,749.75 × 5,908.55
  4. Step 4: Simplify right side
    10,688.28x = 87,149,635.36
  5. Step 5: Solve for x
    x = 87,149,635.36/10,688.28
  6. Step 6: Final answer
    x = 8,153.76

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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.