Home / 10,689.02-16,039.26-4,453.34

Finding the Fourth Proportional to 10,689.02, 16,039.26 and 4,453.34

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Solution

The fourth proportional to 10,689.02, 16,039.26 and 4,453.34 is: 6,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.02 : 16,039.26 = 4,453.34 : x
  2. Step 2: Convert to fraction form
    10,689.02/16,039.26 = 4,453.34/x
  3. Step 3: Cross multiply
    10,689.02x = 16,039.26 × 4,453.34
  4. Step 4: Simplify right side
    10,689.02x = 71,428,278.13
  5. Step 5: Solve for x
    x = 71,428,278.13/10,689.02
  6. Step 6: Final answer
    x = 6,682.40

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1.5x scale

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.