Home / 10,780.02-16,172.73-4,208.13

Finding the Fourth Proportional to 10,780.02, 16,172.73 and 4,208.13

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Solution

The fourth proportional to 10,780.02, 16,172.73 and 4,208.13 is: 6,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.02 : 16,172.73 = 4,208.13 : x
  2. Step 2: Convert to fraction form
    10,780.02/16,172.73 = 4,208.13/x
  3. Step 3: Cross multiply
    10,780.02x = 16,172.73 × 4,208.13
  4. Step 4: Simplify right side
    10,780.02x = 68,056,950.29
  5. Step 5: Solve for x
    x = 68,056,950.29/10,780.02
  6. Step 6: Final answer
    x = 6,313.25

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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.