Home / 15,549.42-21,441.25-10,504.89

Finding the Fourth Proportional to 15,549.42, 21,441.25 and 10,504.89

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Solution

The fourth proportional to 15,549.42, 21,441.25 and 10,504.89 is: 14,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.42 : 21,441.25 = 10,504.89 : x
  2. Step 2: Convert to fraction form
    15,549.42/21,441.25 = 10,504.89/x
  3. Step 3: Cross multiply
    15,549.42x = 21,441.25 × 10,504.89
  4. Step 4: Simplify right side
    15,549.42x = 225,237,972.71
  5. Step 5: Solve for x
    x = 225,237,972.71/15,549.42
  6. Step 6: Final answer
    x = 14,485.30

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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.