Home / 9,136.10-13,693.35-8,207.30

Finding the Fourth Proportional to 9,136.10, 13,693.35 and 8,207.30

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Solution

The fourth proportional to 9,136.10, 13,693.35 and 8,207.30 is: 12,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.10 : 13,693.35 = 8,207.30 : x
  2. Step 2: Convert to fraction form
    9,136.10/13,693.35 = 8,207.30/x
  3. Step 3: Cross multiply
    9,136.10x = 13,693.35 × 8,207.30
  4. Step 4: Simplify right side
    9,136.10x = 112,385,431.46
  5. Step 5: Solve for x
    x = 112,385,431.46/9,136.10
  6. Step 6: Final answer
    x = 12,301.25

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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.