Home / 13,633.84-20,436.18-7,053.40

Finding the Fourth Proportional to 13,633.84, 20,436.18 and 7,053.40

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Solution

The fourth proportional to 13,633.84, 20,436.18 and 7,053.40 is: 10,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.84 : 20,436.18 = 7,053.40 : x
  2. Step 2: Convert to fraction form
    13,633.84/20,436.18 = 7,053.40/x
  3. Step 3: Cross multiply
    13,633.84x = 20,436.18 × 7,053.40
  4. Step 4: Simplify right side
    13,633.84x = 144,144,552.01
  5. Step 5: Solve for x
    x = 144,144,552.01/13,633.84
  6. Step 6: Final answer
    x = 10,572.56

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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.