Home / 13,335.90-19,975.09-6,305.30

Finding the Fourth Proportional to 13,335.90, 19,975.09 and 6,305.30

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Solution

The fourth proportional to 13,335.90, 19,975.09 and 6,305.30 is: 9,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.90 : 19,975.09 = 6,305.30 : x
  2. Step 2: Convert to fraction form
    13,335.90/19,975.09 = 6,305.30/x
  3. Step 3: Cross multiply
    13,335.90x = 19,975.09 × 6,305.30
  4. Step 4: Simplify right side
    13,335.90x = 125,948,934.98
  5. Step 5: Solve for x
    x = 125,948,934.98/13,335.90
  6. Step 6: Final answer
    x = 9,444.35

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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.