Home / 12,875.69-19,313.58-4,555.71

Finding the Fourth Proportional to 12,875.69, 19,313.58 and 4,555.71

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Solution

The fourth proportional to 12,875.69, 19,313.58 and 4,555.71 is: 6,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.69 : 19,313.58 = 4,555.71 : x
  2. Step 2: Convert to fraction form
    12,875.69/19,313.58 = 4,555.71/x
  3. Step 3: Cross multiply
    12,875.69x = 19,313.58 × 4,555.71
  4. Step 4: Simplify right side
    12,875.69x = 87,986,972.97
  5. Step 5: Solve for x
    x = 87,986,972.97/12,875.69
  6. Step 6: Final answer
    x = 6,833.58

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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.