Home / 13,604.51-18,774.26-7,554.76

Finding the Fourth Proportional to 13,604.51, 18,774.26 and 7,554.76

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Solution

The fourth proportional to 13,604.51, 18,774.26 and 7,554.76 is: 10,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.51 : 18,774.26 = 7,554.76 : x
  2. Step 2: Convert to fraction form
    13,604.51/18,774.26 = 7,554.76/x
  3. Step 3: Cross multiply
    13,604.51x = 18,774.26 × 7,554.76
  4. Step 4: Simplify right side
    13,604.51x = 141,834,972.10
  5. Step 5: Solve for x
    x = 141,834,972.10/13,604.51
  6. Step 6: Final answer
    x = 10,425.58

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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.