Home / 13,298.08-19,959.36-6,728.89

Finding the Fourth Proportional to 13,298.08, 19,959.36 and 6,728.89

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Solution

The fourth proportional to 13,298.08, 19,959.36 and 6,728.89 is: 10,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.08 : 19,959.36 = 6,728.89 : x
  2. Step 2: Convert to fraction form
    13,298.08/19,959.36 = 6,728.89/x
  3. Step 3: Cross multiply
    13,298.08x = 19,959.36 × 6,728.89
  4. Step 4: Simplify right side
    13,298.08x = 134,304,337.91
  5. Step 5: Solve for x
    x = 134,304,337.91/13,298.08
  6. Step 6: Final answer
    x = 10,099.53

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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.