Home / 10,669.85-14,725.38-5,890.65

Finding the Fourth Proportional to 10,669.85, 14,725.38 and 5,890.65

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Solution

The fourth proportional to 10,669.85, 14,725.38 and 5,890.65 is: 8,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.85 : 14,725.38 = 5,890.65 : x
  2. Step 2: Convert to fraction form
    10,669.85/14,725.38 = 5,890.65/x
  3. Step 3: Cross multiply
    10,669.85x = 14,725.38 × 5,890.65
  4. Step 4: Simplify right side
    10,669.85x = 86,742,037.61
  5. Step 5: Solve for x
    x = 86,742,037.61/10,669.85
  6. Step 6: Final answer
    x = 8,129.64

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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.