Home / 13,216.51-19,828.88-4,331.92

Finding the Fourth Proportional to 13,216.51, 19,828.88 and 4,331.92

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Solution

The fourth proportional to 13,216.51, 19,828.88 and 4,331.92 is: 6,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.51 : 19,828.88 = 4,331.92 : x
  2. Step 2: Convert to fraction form
    13,216.51/19,828.88 = 4,331.92/x
  3. Step 3: Cross multiply
    13,216.51x = 19,828.88 × 4,331.92
  4. Step 4: Simplify right side
    13,216.51x = 85,897,032.60
  5. Step 5: Solve for x
    x = 85,897,032.60/13,216.51
  6. Step 6: Final answer
    x = 6,499.22

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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.