Home / 12,659.05-19,000.49-6,423.53

Finding the Fourth Proportional to 12,659.05, 19,000.49 and 6,423.53

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Solution

The fourth proportional to 12,659.05, 19,000.49 and 6,423.53 is: 9,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.05 : 19,000.49 = 6,423.53 : x
  2. Step 2: Convert to fraction form
    12,659.05/19,000.49 = 6,423.53/x
  3. Step 3: Cross multiply
    12,659.05x = 19,000.49 × 6,423.53
  4. Step 4: Simplify right side
    12,659.05x = 122,050,272.72
  5. Step 5: Solve for x
    x = 122,050,272.72/12,659.05
  6. Step 6: Final answer
    x = 9,641.35

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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.