Home / 10,154.13-14,011.83-5,905.28

Finding the Fourth Proportional to 10,154.13, 14,011.83 and 5,905.28

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Solution

The fourth proportional to 10,154.13, 14,011.83 and 5,905.28 is: 8,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.13 : 14,011.83 = 5,905.28 : x
  2. Step 2: Convert to fraction form
    10,154.13/14,011.83 = 5,905.28/x
  3. Step 3: Cross multiply
    10,154.13x = 14,011.83 × 5,905.28
  4. Step 4: Simplify right side
    10,154.13x = 82,743,709.40
  5. Step 5: Solve for x
    x = 82,743,709.40/10,154.13
  6. Step 6: Final answer
    x = 8,148.77

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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.