Home / 11,420.27-17,088.87-9,427.35

Finding the Fourth Proportional to 11,420.27, 17,088.87 and 9,427.35

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Solution

The fourth proportional to 11,420.27, 17,088.87 and 9,427.35 is: 14,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.27 : 17,088.87 = 9,427.35 : x
  2. Step 2: Convert to fraction form
    11,420.27/17,088.87 = 9,427.35/x
  3. Step 3: Cross multiply
    11,420.27x = 17,088.87 × 9,427.35
  4. Step 4: Simplify right side
    11,420.27x = 161,102,758.59
  5. Step 5: Solve for x
    x = 161,102,758.59/11,420.27
  6. Step 6: Final answer
    x = 14,106.74

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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.