Home / 13,529.23-18,669.69-7,560.84

Finding the Fourth Proportional to 13,529.23, 18,669.69 and 7,560.84

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Solution

The fourth proportional to 13,529.23, 18,669.69 and 7,560.84 is: 10,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.23 : 18,669.69 = 7,560.84 : x
  2. Step 2: Convert to fraction form
    13,529.23/18,669.69 = 7,560.84/x
  3. Step 3: Cross multiply
    13,529.23x = 18,669.69 × 7,560.84
  4. Step 4: Simplify right side
    13,529.23x = 141,158,608.95
  5. Step 5: Solve for x
    x = 141,158,608.95/13,529.23
  6. Step 6: Final answer
    x = 10,433.60

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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.