Home / 19,970.56-27,552.93-13,257.48

Finding the Fourth Proportional to 19,970.56, 27,552.93 and 13,257.48

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Solution

The fourth proportional to 19,970.56, 27,552.93 and 13,257.48 is: 18,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.56 : 27,552.93 = 13,257.48 : x
  2. Step 2: Convert to fraction form
    19,970.56/27,552.93 = 13,257.48/x
  3. Step 3: Cross multiply
    19,970.56x = 27,552.93 × 13,257.48
  4. Step 4: Simplify right side
    19,970.56x = 365,282,471.30
  5. Step 5: Solve for x
    x = 365,282,471.30/19,970.56
  6. Step 6: Final answer
    x = 18,291.05

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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.