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Finding the Fourth Proportional to 10,664.53, 14,715.88 and 6,187.53

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Solution

The fourth proportional to 10,664.53, 14,715.88 and 6,187.53 is: 8,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.53 : 14,715.88 = 6,187.53 : x
  2. Step 2: Convert to fraction form
    10,664.53/14,715.88 = 6,187.53/x
  3. Step 3: Cross multiply
    10,664.53x = 14,715.88 × 6,187.53
  4. Step 4: Simplify right side
    10,664.53x = 91,054,948.98
  5. Step 5: Solve for x
    x = 91,054,948.98/10,664.53
  6. Step 6: Final answer
    x = 8,538.11

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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.