Home / 12,903.84-19,348.56-6,315.84

Finding the Fourth Proportional to 12,903.84, 19,348.56 and 6,315.84

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Solution

The fourth proportional to 12,903.84, 19,348.56 and 6,315.84 is: 9,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.84 : 19,348.56 = 6,315.84 : x
  2. Step 2: Convert to fraction form
    12,903.84/19,348.56 = 6,315.84/x
  3. Step 3: Cross multiply
    12,903.84x = 19,348.56 × 6,315.84
  4. Step 4: Simplify right side
    12,903.84x = 122,202,409.19
  5. Step 5: Solve for x
    x = 122,202,409.19/12,903.84
  6. Step 6: Final answer
    x = 9,470.24

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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.