Home / 19,285.44-26,603.28-13,320.24

Finding the Fourth Proportional to 19,285.44, 26,603.28 and 13,320.24

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Solution

The fourth proportional to 19,285.44, 26,603.28 and 13,320.24 is: 18,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.44 : 26,603.28 = 13,320.24 : x
  2. Step 2: Convert to fraction form
    19,285.44/26,603.28 = 13,320.24/x
  3. Step 3: Cross multiply
    19,285.44x = 26,603.28 × 13,320.24
  4. Step 4: Simplify right side
    19,285.44x = 354,362,074.39
  5. Step 5: Solve for x
    x = 354,362,074.39/19,285.44
  6. Step 6: Final answer
    x = 18,374.59

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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.