Home / 13,334.04-20,005.38-6,409.08

Finding the Fourth Proportional to 13,334.04, 20,005.38 and 6,409.08

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Solution

The fourth proportional to 13,334.04, 20,005.38 and 6,409.08 is: 9,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.04 : 20,005.38 = 6,409.08 : x
  2. Step 2: Convert to fraction form
    13,334.04/20,005.38 = 6,409.08/x
  3. Step 3: Cross multiply
    13,334.04x = 20,005.38 × 6,409.08
  4. Step 4: Simplify right side
    13,334.04x = 128,216,080.85
  5. Step 5: Solve for x
    x = 128,216,080.85/13,334.04
  6. Step 6: Final answer
    x = 9,615.70

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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.