Home / 11,814.90-16,304.70-6,509.58

Finding the Fourth Proportional to 11,814.90, 16,304.70 and 6,509.58

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Solution

The fourth proportional to 11,814.90, 16,304.70 and 6,509.58 is: 8,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.90 : 16,304.70 = 6,509.58 : x
  2. Step 2: Convert to fraction form
    11,814.90/16,304.70 = 6,509.58/x
  3. Step 3: Cross multiply
    11,814.90x = 16,304.70 × 6,509.58
  4. Step 4: Simplify right side
    11,814.90x = 106,136,749.03
  5. Step 5: Solve for x
    x = 106,136,749.03/11,814.90
  6. Step 6: Final answer
    x = 8,983.30

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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.