Home / 19,388.55-26,766.36-13,048.47

Finding the Fourth Proportional to 19,388.55, 26,766.36 and 13,048.47

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Solution

The fourth proportional to 19,388.55, 26,766.36 and 13,048.47 is: 18,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.55 : 26,766.36 = 13,048.47 : x
  2. Step 2: Convert to fraction form
    19,388.55/26,766.36 = 13,048.47/x
  3. Step 3: Cross multiply
    19,388.55x = 26,766.36 × 13,048.47
  4. Step 4: Simplify right side
    19,388.55x = 349,260,045.47
  5. Step 5: Solve for x
    x = 349,260,045.47/19,388.55
  6. Step 6: Final answer
    x = 18,013.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.