Home / 10,446.05-14,415.45-5,730.35

Finding the Fourth Proportional to 10,446.05, 14,415.45 and 5,730.35

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Solution

The fourth proportional to 10,446.05, 14,415.45 and 5,730.35 is: 7,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.05 : 14,415.45 = 5,730.35 : x
  2. Step 2: Convert to fraction form
    10,446.05/14,415.45 = 5,730.35/x
  3. Step 3: Cross multiply
    10,446.05x = 14,415.45 × 5,730.35
  4. Step 4: Simplify right side
    10,446.05x = 82,605,573.91
  5. Step 5: Solve for x
    x = 82,605,573.91/10,446.05
  6. Step 6: Final answer
    x = 7,907.83

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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.