Home / 13,253.04-19,838.88-8,305.44

Finding the Fourth Proportional to 13,253.04, 19,838.88 and 8,305.44

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Solution

The fourth proportional to 13,253.04, 19,838.88 and 8,305.44 is: 12,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.04 : 19,838.88 = 8,305.44 : x
  2. Step 2: Convert to fraction form
    13,253.04/19,838.88 = 8,305.44/x
  3. Step 3: Cross multiply
    13,253.04x = 19,838.88 × 8,305.44
  4. Step 4: Simplify right side
    13,253.04x = 164,770,627.51
  5. Step 5: Solve for x
    x = 164,770,627.51/13,253.04
  6. Step 6: Final answer
    x = 12,432.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.