Home / 19,360.67-26,725.88-13,081.55

Finding the Fourth Proportional to 19,360.67, 26,725.88 and 13,081.55

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Solution

The fourth proportional to 19,360.67, 26,725.88 and 13,081.55 is: 18,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.67 : 26,725.88 = 13,081.55 : x
  2. Step 2: Convert to fraction form
    19,360.67/26,725.88 = 13,081.55/x
  3. Step 3: Cross multiply
    19,360.67x = 26,725.88 × 13,081.55
  4. Step 4: Simplify right side
    19,360.67x = 349,615,935.51
  5. Step 5: Solve for x
    x = 349,615,935.51/19,360.67
  6. Step 6: Final answer
    x = 18,058.05

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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.