Home / 9,690.53-14,499.48-5,727.20

Finding the Fourth Proportional to 9,690.53, 14,499.48 and 5,727.20

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Solution

The fourth proportional to 9,690.53, 14,499.48 and 5,727.20 is: 8,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.53 : 14,499.48 = 5,727.20 : x
  2. Step 2: Convert to fraction form
    9,690.53/14,499.48 = 5,727.20/x
  3. Step 3: Cross multiply
    9,690.53x = 14,499.48 × 5,727.20
  4. Step 4: Simplify right side
    9,690.53x = 83,041,349.36
  5. Step 5: Solve for x
    x = 83,041,349.36/9,690.53
  6. Step 6: Final answer
    x = 8,569.33

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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.