Home / 12,915.05-19,374.86-6,673.33

Finding the Fourth Proportional to 12,915.05, 19,374.86 and 6,673.33

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Solution

The fourth proportional to 12,915.05, 19,374.86 and 6,673.33 is: 10,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915.05 : 19,374.86 = 6,673.33 : x
  2. Step 2: Convert to fraction form
    12,915.05/19,374.86 = 6,673.33/x
  3. Step 3: Cross multiply
    12,915.05x = 19,374.86 × 6,673.33
  4. Step 4: Simplify right side
    12,915.05x = 129,294,834.48
  5. Step 5: Solve for x
    x = 129,294,834.48/12,915.05
  6. Step 6: Final answer
    x = 10,011.18

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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.