Home / 10,345.65-14,277.11-5,629.92

Finding the Fourth Proportional to 10,345.65, 14,277.11 and 5,629.92

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Solution

The fourth proportional to 10,345.65, 14,277.11 and 5,629.92 is: 7,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.65 : 14,277.11 = 5,629.92 : x
  2. Step 2: Convert to fraction form
    10,345.65/14,277.11 = 5,629.92/x
  3. Step 3: Cross multiply
    10,345.65x = 14,277.11 × 5,629.92
  4. Step 4: Simplify right side
    10,345.65x = 80,378,958.98
  5. Step 5: Solve for x
    x = 80,378,958.98/10,345.65
  6. Step 6: Final answer
    x = 7,769.35

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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.