Home / 10,858.70-16,284.80-5,661.74

Finding the Fourth Proportional to 10,858.70, 16,284.80 and 5,661.74

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Solution

The fourth proportional to 10,858.70, 16,284.80 and 5,661.74 is: 8,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.70 : 16,284.80 = 5,661.74 : x
  2. Step 2: Convert to fraction form
    10,858.70/16,284.80 = 5,661.74/x
  3. Step 3: Cross multiply
    10,858.70x = 16,284.80 × 5,661.74
  4. Step 4: Simplify right side
    10,858.70x = 92,200,303.55
  5. Step 5: Solve for x
    x = 92,200,303.55/10,858.70
  6. Step 6: Final answer
    x = 8,490.92

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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.