Home / 10,006.08-13,807.68-5,529.74

Finding the Fourth Proportional to 10,006.08, 13,807.68 and 5,529.74

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Solution

The fourth proportional to 10,006.08, 13,807.68 and 5,529.74 is: 7,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.08 : 13,807.68 = 5,529.74 : x
  2. Step 2: Convert to fraction form
    10,006.08/13,807.68 = 5,529.74/x
  3. Step 3: Cross multiply
    10,006.08x = 13,807.68 × 5,529.74
  4. Step 4: Simplify right side
    10,006.08x = 76,352,880.40
  5. Step 5: Solve for x
    x = 76,352,880.40/10,006.08
  6. Step 6: Final answer
    x = 7,630.65

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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.