Home / 13,674.23-20,490.84-10,549.55

Finding the Fourth Proportional to 13,674.23, 20,490.84 and 10,549.55

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Solution

The fourth proportional to 13,674.23, 20,490.84 and 10,549.55 is: 15,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.23 : 20,490.84 = 10,549.55 : x
  2. Step 2: Convert to fraction form
    13,674.23/20,490.84 = 10,549.55/x
  3. Step 3: Cross multiply
    13,674.23x = 20,490.84 × 10,549.55
  4. Step 4: Simplify right side
    13,674.23x = 216,169,192.35
  5. Step 5: Solve for x
    x = 216,169,192.35/13,674.23
  6. Step 6: Final answer
    x = 15,808.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.