Home / 19,860.32-27,396.96-13,487.24

Finding the Fourth Proportional to 19,860.32, 27,396.96 and 13,487.24

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Solution

The fourth proportional to 19,860.32, 27,396.96 and 13,487.24 is: 18,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.32 : 27,396.96 = 13,487.24 : x
  2. Step 2: Convert to fraction form
    19,860.32/27,396.96 = 13,487.24/x
  3. Step 3: Cross multiply
    19,860.32x = 27,396.96 × 13,487.24
  4. Step 4: Simplify right side
    19,860.32x = 369,509,374.79
  5. Step 5: Solve for x
    x = 369,509,374.79/19,860.32
  6. Step 6: Final answer
    x = 18,605.41

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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.