Home / 9,688.92-13,368.24-5,911.84

Finding the Fourth Proportional to 9,688.92, 13,368.24 and 5,911.84

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Solution

The fourth proportional to 9,688.92, 13,368.24 and 5,911.84 is: 8,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.92 : 13,368.24 = 5,911.84 : x
  2. Step 2: Convert to fraction form
    9,688.92/13,368.24 = 5,911.84/x
  3. Step 3: Cross multiply
    9,688.92x = 13,368.24 × 5,911.84
  4. Step 4: Simplify right side
    9,688.92x = 79,030,837.48
  5. Step 5: Solve for x
    x = 79,030,837.48/9,688.92
  6. Step 6: Final answer
    x = 8,156.83

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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.