Home / 13,570.33-18,728.61-7,600.83

Finding the Fourth Proportional to 13,570.33, 18,728.61 and 7,600.83

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Solution

The fourth proportional to 13,570.33, 18,728.61 and 7,600.83 is: 10,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.33 : 18,728.61 = 7,600.83 : x
  2. Step 2: Convert to fraction form
    13,570.33/18,728.61 = 7,600.83/x
  3. Step 3: Cross multiply
    13,570.33x = 18,728.61 × 7,600.83
  4. Step 4: Simplify right side
    13,570.33x = 142,352,980.75
  5. Step 5: Solve for x
    x = 142,352,980.75/13,570.33
  6. Step 6: Final answer
    x = 10,490.02

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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.