Home / 19,268.79-26,582.90-12,970.23

Finding the Fourth Proportional to 19,268.79, 26,582.90 and 12,970.23

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Solution

The fourth proportional to 19,268.79, 26,582.90 and 12,970.23 is: 17,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.79 : 26,582.90 = 12,970.23 : x
  2. Step 2: Convert to fraction form
    19,268.79/26,582.90 = 12,970.23/x
  3. Step 3: Cross multiply
    19,268.79x = 26,582.90 × 12,970.23
  4. Step 4: Simplify right side
    19,268.79x = 344,786,262.22
  5. Step 5: Solve for x
    x = 344,786,262.22/19,268.79
  6. Step 6: Final answer
    x = 17,893.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.