Home / 19,416.63-29,081.19-13,599.21

Finding the Fourth Proportional to 19,416.63, 29,081.19 and 13,599.21

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Solution

The fourth proportional to 19,416.63, 29,081.19 and 13,599.21 is: 20,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.63 : 29,081.19 = 13,599.21 : x
  2. Step 2: Convert to fraction form
    19,416.63/29,081.19 = 13,599.21/x
  3. Step 3: Cross multiply
    19,416.63x = 29,081.19 × 13,599.21
  4. Step 4: Simplify right side
    19,416.63x = 395,481,209.86
  5. Step 5: Solve for x
    x = 395,481,209.86/19,416.63
  6. Step 6: Final answer
    x = 20,368.17

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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.