Home / 13,268.71-19,746.45-12,825.84

Finding the Fourth Proportional to 13,268.71, 19,746.45 and 12,825.84

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Solution

The fourth proportional to 13,268.71, 19,746.45 and 12,825.84 is: 19,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.71 : 19,746.45 = 12,825.84 : x
  2. Step 2: Convert to fraction form
    13,268.71/19,746.45 = 12,825.84/x
  3. Step 3: Cross multiply
    13,268.71x = 19,746.45 × 12,825.84
  4. Step 4: Simplify right side
    13,268.71x = 253,264,828.21
  5. Step 5: Solve for x
    x = 253,264,828.21/13,268.71
  6. Step 6: Final answer
    x = 19,087.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.