Home / 18,521.53-25,559.45-10,563.89

Finding the Fourth Proportional to 18,521.53, 25,559.45 and 10,563.89

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Solution

The fourth proportional to 18,521.53, 25,559.45 and 10,563.89 is: 14,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.53 : 25,559.45 = 10,563.89 : x
  2. Step 2: Convert to fraction form
    18,521.53/25,559.45 = 10,563.89/x
  3. Step 3: Cross multiply
    18,521.53x = 25,559.45 × 10,563.89
  4. Step 4: Simplify right side
    18,521.53x = 270,007,127.95
  5. Step 5: Solve for x
    x = 270,007,127.95/18,521.53
  6. Step 6: Final answer
    x = 14,578.01

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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.