Home / 10,469.16-14,439.08-6,887.80

Finding the Fourth Proportional to 10,469.16, 14,439.08 and 6,887.80

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Solution

The fourth proportional to 10,469.16, 14,439.08 and 6,887.80 is: 9,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.16 : 14,439.08 = 6,887.80 : x
  2. Step 2: Convert to fraction form
    10,469.16/14,439.08 = 6,887.80/x
  3. Step 3: Cross multiply
    10,469.16x = 14,439.08 × 6,887.80
  4. Step 4: Simplify right side
    10,469.16x = 99,453,495.22
  5. Step 5: Solve for x
    x = 99,453,495.22/10,469.16
  6. Step 6: Final answer
    x = 9,499.66

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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.