Home / 10,688.35-14,749.84-5,908.62

Finding the Fourth Proportional to 10,688.35, 14,749.84 and 5,908.62

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Solution

The fourth proportional to 10,688.35, 14,749.84 and 5,908.62 is: 8,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.35 : 14,749.84 = 5,908.62 : x
  2. Step 2: Convert to fraction form
    10,688.35/14,749.84 = 5,908.62/x
  3. Step 3: Cross multiply
    10,688.35x = 14,749.84 × 5,908.62
  4. Step 4: Simplify right side
    10,688.35x = 87,151,199.62
  5. Step 5: Solve for x
    x = 87,151,199.62/10,688.35
  6. Step 6: Final answer
    x = 8,153.85

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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.