Home / 19,206.72-26,518.19-14,722.56

Finding the Fourth Proportional to 19,206.72, 26,518.19 and 14,722.56

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Solution

The fourth proportional to 19,206.72, 26,518.19 and 14,722.56 is: 20,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.72 : 26,518.19 = 14,722.56 : x
  2. Step 2: Convert to fraction form
    19,206.72/26,518.19 = 14,722.56/x
  3. Step 3: Cross multiply
    19,206.72x = 26,518.19 × 14,722.56
  4. Step 4: Simplify right side
    19,206.72x = 390,415,569.75
  5. Step 5: Solve for x
    x = 390,415,569.75/19,206.72
  6. Step 6: Final answer
    x = 20,327.03

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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.