Home / 13,603.36-18,774.53-7,554.96

Finding the Fourth Proportional to 13,603.36, 18,774.53 and 7,554.96

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Solution

The fourth proportional to 13,603.36, 18,774.53 and 7,554.96 is: 10,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.36 : 18,774.53 = 7,554.96 : x
  2. Step 2: Convert to fraction form
    13,603.36/18,774.53 = 7,554.96/x
  3. Step 3: Cross multiply
    13,603.36x = 18,774.53 × 7,554.96
  4. Step 4: Simplify right side
    13,603.36x = 141,840,823.17
  5. Step 5: Solve for x
    x = 141,840,823.17/13,603.36
  6. Step 6: Final answer
    x = 10,426.90

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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.