Home / 10,900.08-16,351.88-4,326.28

Finding the Fourth Proportional to 10,900.08, 16,351.88 and 4,326.28

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Solution

The fourth proportional to 10,900.08, 16,351.88 and 4,326.28 is: 6,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.08 : 16,351.88 = 4,326.28 : x
  2. Step 2: Convert to fraction form
    10,900.08/16,351.88 = 4,326.28/x
  3. Step 3: Cross multiply
    10,900.08x = 16,351.88 × 4,326.28
  4. Step 4: Simplify right side
    10,900.08x = 70,742,811.41
  5. Step 5: Solve for x
    x = 70,742,811.41/10,900.08
  6. Step 6: Final answer
    x = 6,490.12

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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.