Home / 10,284.59-15,423.70-3,709.92

Finding the Fourth Proportional to 10,284.59, 15,423.70 and 3,709.92

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Solution

The fourth proportional to 10,284.59, 15,423.70 and 3,709.92 is: 5,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.59 : 15,423.70 = 3,709.92 : x
  2. Step 2: Convert to fraction form
    10,284.59/15,423.70 = 3,709.92/x
  3. Step 3: Cross multiply
    10,284.59x = 15,423.70 × 3,709.92
  4. Step 4: Simplify right side
    10,284.59x = 57,220,683.83
  5. Step 5: Solve for x
    x = 57,220,683.83/10,284.59
  6. Step 6: Final answer
    x = 5,563.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.