Home / 19,178.60-26,421.09-18,292.82

Finding the Fourth Proportional to 19,178.60, 26,421.09 and 18,292.82

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Solution

The fourth proportional to 19,178.60, 26,421.09 and 18,292.82 is: 25,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.60 : 26,421.09 = 18,292.82 : x
  2. Step 2: Convert to fraction form
    19,178.60/26,421.09 = 18,292.82/x
  3. Step 3: Cross multiply
    19,178.60x = 26,421.09 × 18,292.82
  4. Step 4: Simplify right side
    19,178.60x = 483,316,243.57
  5. Step 5: Solve for x
    x = 483,316,243.57/19,178.60
  6. Step 6: Final answer
    x = 25,200.81

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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.