Home / 13,335.04-20,006.88-6,410.08

Finding the Fourth Proportional to 13,335.04, 20,006.88 and 6,410.08

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Solution

The fourth proportional to 13,335.04, 20,006.88 and 6,410.08 is: 9,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.04 : 20,006.88 = 6,410.08 : x
  2. Step 2: Convert to fraction form
    13,335.04/20,006.88 = 6,410.08/x
  3. Step 3: Cross multiply
    13,335.04x = 20,006.88 × 6,410.08
  4. Step 4: Simplify right side
    13,335.04x = 128,245,701.35
  5. Step 5: Solve for x
    x = 128,245,701.35/13,335.04
  6. Step 6: Final answer
    x = 9,617.20

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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.