Home / 19,710.60-29,549.94-13,454.86

Finding the Fourth Proportional to 19,710.60, 29,549.94 and 13,454.86

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Solution

The fourth proportional to 19,710.60, 29,549.94 and 13,454.86 is: 20,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.60 : 29,549.94 = 13,454.86 : x
  2. Step 2: Convert to fraction form
    19,710.60/29,549.94 = 13,454.86/x
  3. Step 3: Cross multiply
    19,710.60x = 29,549.94 × 13,454.86
  4. Step 4: Simplify right side
    19,710.60x = 397,590,305.71
  5. Step 5: Solve for x
    x = 397,590,305.71/19,710.60
  6. Step 6: Final answer
    x = 20,171.40

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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.