Home / 12,898.07-19,346.56-4,132.79

Finding the Fourth Proportional to 12,898.07, 19,346.56 and 4,132.79

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Solution

The fourth proportional to 12,898.07, 19,346.56 and 4,132.79 is: 6,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.07 : 19,346.56 = 4,132.79 : x
  2. Step 2: Convert to fraction form
    12,898.07/19,346.56 = 4,132.79/x
  3. Step 3: Cross multiply
    12,898.07x = 19,346.56 × 4,132.79
  4. Step 4: Simplify right side
    12,898.07x = 79,955,269.70
  5. Step 5: Solve for x
    x = 79,955,269.70/12,898.07
  6. Step 6: Final answer
    x = 6,199.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.