Home / 13,600.95-18,769.56-7,632.98

Finding the Fourth Proportional to 13,600.95, 18,769.56 and 7,632.98

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Solution

The fourth proportional to 13,600.95, 18,769.56 and 7,632.98 is: 10,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.95 : 18,769.56 = 7,632.98 : x
  2. Step 2: Convert to fraction form
    13,600.95/18,769.56 = 7,632.98/x
  3. Step 3: Cross multiply
    13,600.95x = 18,769.56 × 7,632.98
  4. Step 4: Simplify right side
    13,600.95x = 143,267,676.09
  5. Step 5: Solve for x
    x = 143,267,676.09/13,600.95
  6. Step 6: Final answer
    x = 10,533.65

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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.