Home / 13,769.56-19,017.60-9,285.56

Finding the Fourth Proportional to 13,769.56, 19,017.60 and 9,285.56

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Solution

The fourth proportional to 13,769.56, 19,017.60 and 9,285.56 is: 12,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.56 : 19,017.60 = 9,285.56 : x
  2. Step 2: Convert to fraction form
    13,769.56/19,017.60 = 9,285.56/x
  3. Step 3: Cross multiply
    13,769.56x = 19,017.60 × 9,285.56
  4. Step 4: Simplify right side
    13,769.56x = 176,589,065.86
  5. Step 5: Solve for x
    x = 176,589,065.86/13,769.56
  6. Step 6: Final answer
    x = 12,824.60

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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.