Home / 10,896.53-16,319.88-8,551.17

Finding the Fourth Proportional to 10,896.53, 16,319.88 and 8,551.17

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Solution

The fourth proportional to 10,896.53, 16,319.88 and 8,551.17 is: 12,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.53 : 16,319.88 = 8,551.17 : x
  2. Step 2: Convert to fraction form
    10,896.53/16,319.88 = 8,551.17/x
  3. Step 3: Cross multiply
    10,896.53x = 16,319.88 × 8,551.17
  4. Step 4: Simplify right side
    10,896.53x = 139,554,068.26
  5. Step 5: Solve for x
    x = 139,554,068.26/10,896.53
  6. Step 6: Final answer
    x = 12,807.21

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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.