Home / 11,814.36-16,303.20-6,509.07

Finding the Fourth Proportional to 11,814.36, 16,303.20 and 6,509.07

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Solution

The fourth proportional to 11,814.36, 16,303.20 and 6,509.07 is: 8,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.36 : 16,303.20 = 6,509.07 : x
  2. Step 2: Convert to fraction form
    11,814.36/16,303.20 = 6,509.07/x
  3. Step 3: Cross multiply
    11,814.36x = 16,303.20 × 6,509.07
  4. Step 4: Simplify right side
    11,814.36x = 106,118,670.02
  5. Step 5: Solve for x
    x = 106,118,670.02/11,814.36
  6. Step 6: Final answer
    x = 8,982.18

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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.