Home / 13,292.72-19,939.04-6,270.40

Finding the Fourth Proportional to 13,292.72, 19,939.04 and 6,270.40

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Solution

The fourth proportional to 13,292.72, 19,939.04 and 6,270.40 is: 9,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.72 : 19,939.04 = 6,270.40 : x
  2. Step 2: Convert to fraction form
    13,292.72/19,939.04 = 6,270.40/x
  3. Step 3: Cross multiply
    13,292.72x = 19,939.04 × 6,270.40
  4. Step 4: Simplify right side
    13,292.72x = 125,025,756.42
  5. Step 5: Solve for x
    x = 125,025,756.42/13,292.72
  6. Step 6: Final answer
    x = 9,405.58

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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.