Home / 11,628.02-16,036.16-7,647.62

Finding the Fourth Proportional to 11,628.02, 16,036.16 and 7,647.62

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Solution

The fourth proportional to 11,628.02, 16,036.16 and 7,647.62 is: 10,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.02 : 16,036.16 = 7,647.62 : x
  2. Step 2: Convert to fraction form
    11,628.02/16,036.16 = 7,647.62/x
  3. Step 3: Cross multiply
    11,628.02x = 16,036.16 × 7,647.62
  4. Step 4: Simplify right side
    11,628.02x = 122,638,457.94
  5. Step 5: Solve for x
    x = 122,638,457.94/11,628.02
  6. Step 6: Final answer
    x = 10,546.80

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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.