Home / 13,269.45-18,307.48-7,604.85

Finding the Fourth Proportional to 13,269.45, 18,307.48 and 7,604.85

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Solution

The fourth proportional to 13,269.45, 18,307.48 and 7,604.85 is: 10,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.45 : 18,307.48 = 7,604.85 : x
  2. Step 2: Convert to fraction form
    13,269.45/18,307.48 = 7,604.85/x
  3. Step 3: Cross multiply
    13,269.45x = 18,307.48 × 7,604.85
  4. Step 4: Simplify right side
    13,269.45x = 139,225,639.28
  5. Step 5: Solve for x
    x = 139,225,639.28/13,269.45
  6. Step 6: Final answer
    x = 10,492.19

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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.