Home / 16,908.42-25,362.63-13,205.10

Finding the Fourth Proportional to 16,908.42, 25,362.63 and 13,205.10

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Solution

The fourth proportional to 16,908.42, 25,362.63 and 13,205.10 is: 19,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.42 : 25,362.63 = 13,205.10 : x
  2. Step 2: Convert to fraction form
    16,908.42/25,362.63 = 13,205.10/x
  3. Step 3: Cross multiply
    16,908.42x = 25,362.63 × 13,205.10
  4. Step 4: Simplify right side
    16,908.42x = 334,916,065.41
  5. Step 5: Solve for x
    x = 334,916,065.41/16,908.42
  6. Step 6: Final answer
    x = 19,807.65

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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.