Home / 13,102.63-19,657.03-4,337.55

Finding the Fourth Proportional to 13,102.63, 19,657.03 and 4,337.55

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Solution

The fourth proportional to 13,102.63, 19,657.03 and 4,337.55 is: 6,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.63 : 19,657.03 = 4,337.55 : x
  2. Step 2: Convert to fraction form
    13,102.63/19,657.03 = 4,337.55/x
  3. Step 3: Cross multiply
    13,102.63x = 19,657.03 × 4,337.55
  4. Step 4: Simplify right side
    13,102.63x = 85,263,279.65
  5. Step 5: Solve for x
    x = 85,263,279.65/13,102.63
  6. Step 6: Final answer
    x = 6,507.34

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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.