Home / 11,136.51-16,699.54-6,457.85

Finding the Fourth Proportional to 11,136.51, 16,699.54 and 6,457.85

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Solution

The fourth proportional to 11,136.51, 16,699.54 and 6,457.85 is: 9,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.51 : 16,699.54 = 6,457.85 : x
  2. Step 2: Convert to fraction form
    11,136.51/16,699.54 = 6,457.85/x
  3. Step 3: Cross multiply
    11,136.51x = 16,699.54 × 6,457.85
  4. Step 4: Simplify right side
    11,136.51x = 107,843,024.75
  5. Step 5: Solve for x
    x = 107,843,024.75/11,136.51
  6. Step 6: Final answer
    x = 9,683.74

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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.