Home / 13,205.94-19,808.75-3,210.74

Finding the Fourth Proportional to 13,205.94, 19,808.75 and 3,210.74

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Solution

The fourth proportional to 13,205.94, 19,808.75 and 3,210.74 is: 4,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.94 : 19,808.75 = 3,210.74 : x
  2. Step 2: Convert to fraction form
    13,205.94/19,808.75 = 3,210.74/x
  3. Step 3: Cross multiply
    13,205.94x = 19,808.75 × 3,210.74
  4. Step 4: Simplify right side
    13,205.94x = 63,600,704.48
  5. Step 5: Solve for x
    x = 63,600,704.48/13,205.94
  6. Step 6: Final answer
    x = 4,816.07

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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.