Home / 15,268.37-21,069.02-8,553.11

Finding the Fourth Proportional to 15,268.37, 21,069.02 and 8,553.11

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Solution

The fourth proportional to 15,268.37, 21,069.02 and 8,553.11 is: 11,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.37 : 21,069.02 = 8,553.11 : x
  2. Step 2: Convert to fraction form
    15,268.37/21,069.02 = 8,553.11/x
  3. Step 3: Cross multiply
    15,268.37x = 21,069.02 × 8,553.11
  4. Step 4: Simplify right side
    15,268.37x = 180,205,602.89
  5. Step 5: Solve for x
    x = 180,205,602.89/15,268.37
  6. Step 6: Final answer
    x = 11,802.54

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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.