Home / 10,988.16-16,467.66-9,520.44

Finding the Fourth Proportional to 10,988.16, 16,467.66 and 9,520.44

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Solution

The fourth proportional to 10,988.16, 16,467.66 and 9,520.44 is: 14,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.16 : 16,467.66 = 9,520.44 : x
  2. Step 2: Convert to fraction form
    10,988.16/16,467.66 = 9,520.44/x
  3. Step 3: Cross multiply
    10,988.16x = 16,467.66 × 9,520.44
  4. Step 4: Simplify right side
    10,988.16x = 156,779,368.97
  5. Step 5: Solve for x
    x = 156,779,368.97/10,988.16
  6. Step 6: Final answer
    x = 14,268.03

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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.