Home / 13,604.81-18,774.37-7,554.74

Finding the Fourth Proportional to 13,604.81, 18,774.37 and 7,554.74

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Solution

The fourth proportional to 13,604.81, 18,774.37 and 7,554.74 is: 10,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.81 : 18,774.37 = 7,554.74 : x
  2. Step 2: Convert to fraction form
    13,604.81/18,774.37 = 7,554.74/x
  3. Step 3: Cross multiply
    13,604.81x = 18,774.37 × 7,554.74
  4. Step 4: Simplify right side
    13,604.81x = 141,835,357.09
  5. Step 5: Solve for x
    x = 141,835,357.09/13,604.81
  6. Step 6: Final answer
    x = 10,425.38

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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.