Home / 14,208.88-19,608.40-7,835.70

Finding the Fourth Proportional to 14,208.88, 19,608.40 and 7,835.70

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Solution

The fourth proportional to 14,208.88, 19,608.40 and 7,835.70 is: 10,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.88 : 19,608.40 = 7,835.70 : x
  2. Step 2: Convert to fraction form
    14,208.88/19,608.40 = 7,835.70/x
  3. Step 3: Cross multiply
    14,208.88x = 19,608.40 × 7,835.70
  4. Step 4: Simplify right side
    14,208.88x = 153,645,539.88
  5. Step 5: Solve for x
    x = 153,645,539.88/14,208.88
  6. Step 6: Final answer
    x = 10,813.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.