Home / 10,345.70-14,277.40-5,630.14

Finding the Fourth Proportional to 10,345.70, 14,277.40 and 5,630.14

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Solution

The fourth proportional to 10,345.70, 14,277.40 and 5,630.14 is: 7,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.70 : 14,277.40 = 5,630.14 : x
  2. Step 2: Convert to fraction form
    10,345.70/14,277.40 = 5,630.14/x
  3. Step 3: Cross multiply
    10,345.70x = 14,277.40 × 5,630.14
  4. Step 4: Simplify right side
    10,345.70x = 80,383,760.84
  5. Step 5: Solve for x
    x = 80,383,760.84/10,345.70
  6. Step 6: Final answer
    x = 7,769.77

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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.