Home / 13,653.50-18,841.52-7,603.70

Finding the Fourth Proportional to 13,653.50, 18,841.52 and 7,603.70

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Solution

The fourth proportional to 13,653.50, 18,841.52 and 7,603.70 is: 10,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.50 : 18,841.52 = 7,603.70 : x
  2. Step 2: Convert to fraction form
    13,653.50/18,841.52 = 7,603.70/x
  3. Step 3: Cross multiply
    13,653.50x = 18,841.52 × 7,603.70
  4. Step 4: Simplify right side
    13,653.50x = 143,265,190.43
  5. Step 5: Solve for x
    x = 143,265,190.43/13,653.50
  6. Step 6: Final answer
    x = 10,492.93

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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.