Home / 19,137.48-26,384.31-13,158.60

Finding the Fourth Proportional to 19,137.48, 26,384.31 and 13,158.60

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Solution

The fourth proportional to 19,137.48, 26,384.31 and 13,158.60 is: 18,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.48 : 26,384.31 = 13,158.60 : x
  2. Step 2: Convert to fraction form
    19,137.48/26,384.31 = 13,158.60/x
  3. Step 3: Cross multiply
    19,137.48x = 26,384.31 × 13,158.60
  4. Step 4: Simplify right side
    19,137.48x = 347,180,581.57
  5. Step 5: Solve for x
    x = 347,180,581.57/19,137.48
  6. Step 6: Final answer
    x = 18,141.39

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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.