Home / 12,875.58-19,313.55-3,641.58

Finding the Fourth Proportional to 12,875.58, 19,313.55 and 3,641.58

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Solution

The fourth proportional to 12,875.58, 19,313.55 and 3,641.58 is: 5,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.58 : 19,313.55 = 3,641.58 : x
  2. Step 2: Convert to fraction form
    12,875.58/19,313.55 = 3,641.58/x
  3. Step 3: Cross multiply
    12,875.58x = 19,313.55 × 3,641.58
  4. Step 4: Simplify right side
    12,875.58x = 70,331,837.41
  5. Step 5: Solve for x
    x = 70,331,837.41/12,875.58
  6. Step 6: Final answer
    x = 5,462.42

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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.