Home / 13,835.64-20,725.92-6,430.08

Finding the Fourth Proportional to 13,835.64, 20,725.92 and 6,430.08

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Solution

The fourth proportional to 13,835.64, 20,725.92 and 6,430.08 is: 9,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.64 : 20,725.92 = 6,430.08 : x
  2. Step 2: Convert to fraction form
    13,835.64/20,725.92 = 6,430.08/x
  3. Step 3: Cross multiply
    13,835.64x = 20,725.92 × 6,430.08
  4. Step 4: Simplify right side
    13,835.64x = 133,269,323.67
  5. Step 5: Solve for x
    x = 133,269,323.67/13,835.64
  6. Step 6: Final answer
    x = 9,632.32

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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.