Home / 13,901.72-20,852.40-4,542.08

Finding the Fourth Proportional to 13,901.72, 20,852.40 and 4,542.08

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Solution

The fourth proportional to 13,901.72, 20,852.40 and 4,542.08 is: 6,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.72 : 20,852.40 = 4,542.08 : x
  2. Step 2: Convert to fraction form
    13,901.72/20,852.40 = 4,542.08/x
  3. Step 3: Cross multiply
    13,901.72x = 20,852.40 × 4,542.08
  4. Step 4: Simplify right side
    13,901.72x = 94,713,268.99
  5. Step 5: Solve for x
    x = 94,713,268.99/13,901.72
  6. Step 6: Final answer
    x = 6,813.06

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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.