Home / 13,928.58-19,237.68-9,444.42

Finding the Fourth Proportional to 13,928.58, 19,237.68 and 9,444.42

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Solution

The fourth proportional to 13,928.58, 19,237.68 and 9,444.42 is: 13,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.58 : 19,237.68 = 9,444.42 : x
  2. Step 2: Convert to fraction form
    13,928.58/19,237.68 = 9,444.42/x
  3. Step 3: Cross multiply
    13,928.58x = 19,237.68 × 9,444.42
  4. Step 4: Simplify right side
    13,928.58x = 181,688,729.75
  5. Step 5: Solve for x
    x = 181,688,729.75/13,928.58
  6. Step 6: Final answer
    x = 13,044.31

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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.