Home / 10,689.02-16,036.77-5,690.54

Finding the Fourth Proportional to 10,689.02, 16,036.77 and 5,690.54

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Solution

The fourth proportional to 10,689.02, 16,036.77 and 5,690.54 is: 8,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.02 : 16,036.77 = 5,690.54 : x
  2. Step 2: Convert to fraction form
    10,689.02/16,036.77 = 5,690.54/x
  3. Step 3: Cross multiply
    10,689.02x = 16,036.77 × 5,690.54
  4. Step 4: Simplify right side
    10,689.02x = 91,257,881.16
  5. Step 5: Solve for x
    x = 91,257,881.16/10,689.02
  6. Step 6: Final answer
    x = 8,537.53

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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.