Home / 19,259.97-28,840.63-13,328.64

Finding the Fourth Proportional to 19,259.97, 28,840.63 and 13,328.64

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Solution

The fourth proportional to 19,259.97, 28,840.63 and 13,328.64 is: 19,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.97 : 28,840.63 = 13,328.64 : x
  2. Step 2: Convert to fraction form
    19,259.97/28,840.63 = 13,328.64/x
  3. Step 3: Cross multiply
    19,259.97x = 28,840.63 × 13,328.64
  4. Step 4: Simplify right side
    19,259.97x = 384,406,301.79
  5. Step 5: Solve for x
    x = 384,406,301.79/19,259.97
  6. Step 6: Final answer
    x = 19,958.83

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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.