Home / 10,690.02-14,743.62-6,913.80

Finding the Fourth Proportional to 10,690.02, 14,743.62 and 6,913.80

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Solution

The fourth proportional to 10,690.02, 14,743.62 and 6,913.80 is: 9,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.02 : 14,743.62 = 6,913.80 : x
  2. Step 2: Convert to fraction form
    10,690.02/14,743.62 = 6,913.80/x
  3. Step 3: Cross multiply
    10,690.02x = 14,743.62 × 6,913.80
  4. Step 4: Simplify right side
    10,690.02x = 101,934,439.96
  5. Step 5: Solve for x
    x = 101,934,439.96/10,690.02
  6. Step 6: Final answer
    x = 9,535.48

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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.