Home / 10,838.32-16,246.88-5,291.44

Finding the Fourth Proportional to 10,838.32, 16,246.88 and 5,291.44

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Solution

The fourth proportional to 10,838.32, 16,246.88 and 5,291.44 is: 7,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.32 : 16,246.88 = 5,291.44 : x
  2. Step 2: Convert to fraction form
    10,838.32/16,246.88 = 5,291.44/x
  3. Step 3: Cross multiply
    10,838.32x = 16,246.88 × 5,291.44
  4. Step 4: Simplify right side
    10,838.32x = 85,969,390.71
  5. Step 5: Solve for x
    x = 85,969,390.71/10,838.32
  6. Step 6: Final answer
    x = 7,931.98

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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.