Home / 15,268.01-21,069.74-8,553.69

Finding the Fourth Proportional to 15,268.01, 21,069.74 and 8,553.69

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Solution

The fourth proportional to 15,268.01, 21,069.74 and 8,553.69 is: 11,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.01 : 21,069.74 = 8,553.69 : x
  2. Step 2: Convert to fraction form
    15,268.01/21,069.74 = 8,553.69/x
  3. Step 3: Cross multiply
    15,268.01x = 21,069.74 × 8,553.69
  4. Step 4: Simplify right side
    15,268.01x = 180,223,981.57
  5. Step 5: Solve for x
    x = 180,223,981.57/15,268.01
  6. Step 6: Final answer
    x = 11,804.03

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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.