Home / 13,972.14-19,281.80-7,598.86

Finding the Fourth Proportional to 13,972.14, 19,281.80 and 7,598.86

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Solution

The fourth proportional to 13,972.14, 19,281.80 and 7,598.86 is: 10,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.14 : 19,281.80 = 7,598.86 : x
  2. Step 2: Convert to fraction form
    13,972.14/19,281.80 = 7,598.86/x
  3. Step 3: Cross multiply
    13,972.14x = 19,281.80 × 7,598.86
  4. Step 4: Simplify right side
    13,972.14x = 146,519,669.54
  5. Step 5: Solve for x
    x = 146,519,669.54/13,972.14
  6. Step 6: Final answer
    x = 10,486.56

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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.