Home / 19,365.39-29,056.68-8,279.10

Finding the Fourth Proportional to 19,365.39, 29,056.68 and 8,279.10

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Solution

The fourth proportional to 19,365.39, 29,056.68 and 8,279.10 is: 12,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.39 : 29,056.68 = 8,279.10 : x
  2. Step 2: Convert to fraction form
    19,365.39/29,056.68 = 8,279.10/x
  3. Step 3: Cross multiply
    19,365.39x = 29,056.68 × 8,279.10
  4. Step 4: Simplify right side
    19,365.39x = 240,563,159.39
  5. Step 5: Solve for x
    x = 240,563,159.39/19,365.39
  6. Step 6: Final answer
    x = 12,422.32

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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.