Home / 12,838.08-19,250.64-6,254.40

Finding the Fourth Proportional to 12,838.08, 19,250.64 and 6,254.40

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Solution

The fourth proportional to 12,838.08, 19,250.64 and 6,254.40 is: 9,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838.08 : 19,250.64 = 6,254.40 : x
  2. Step 2: Convert to fraction form
    12,838.08/19,250.64 = 6,254.40/x
  3. Step 3: Cross multiply
    12,838.08x = 19,250.64 × 6,254.40
  4. Step 4: Simplify right side
    12,838.08x = 120,401,202.82
  5. Step 5: Solve for x
    x = 120,401,202.82/12,838.08
  6. Step 6: Final answer
    x = 9,378.44

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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.