Home / 9,385.23-12,951.63-5,136.69

Finding the Fourth Proportional to 9,385.23, 12,951.63 and 5,136.69

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Solution

The fourth proportional to 9,385.23, 12,951.63 and 5,136.69 is: 7,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.23 : 12,951.63 = 5,136.69 : x
  2. Step 2: Convert to fraction form
    9,385.23/12,951.63 = 5,136.69/x
  3. Step 3: Cross multiply
    9,385.23x = 12,951.63 × 5,136.69
  4. Step 4: Simplify right side
    9,385.23x = 66,528,508.30
  5. Step 5: Solve for x
    x = 66,528,508.30/9,385.23
  6. Step 6: Final answer
    x = 7,088.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.