Home / 14,429.60-21,644.40-13,117.40

Finding the Fourth Proportional to 14,429.60, 21,644.40 and 13,117.40

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Solution

The fourth proportional to 14,429.60, 21,644.40 and 13,117.40 is: 19,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.60 : 21,644.40 = 13,117.40 : x
  2. Step 2: Convert to fraction form
    14,429.60/21,644.40 = 13,117.40/x
  3. Step 3: Cross multiply
    14,429.60x = 21,644.40 × 13,117.40
  4. Step 4: Simplify right side
    14,429.60x = 283,918,252.56
  5. Step 5: Solve for x
    x = 283,918,252.56/14,429.60
  6. Step 6: Final answer
    x = 19,676.10

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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.