Home / 14,079.82-19,430.15-7,706.41

Finding the Fourth Proportional to 14,079.82, 19,430.15 and 7,706.41

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Solution

The fourth proportional to 14,079.82, 19,430.15 and 7,706.41 is: 10,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.82 : 19,430.15 = 7,706.41 : x
  2. Step 2: Convert to fraction form
    14,079.82/19,430.15 = 7,706.41/x
  3. Step 3: Cross multiply
    14,079.82x = 19,430.15 × 7,706.41
  4. Step 4: Simplify right side
    14,079.82x = 149,736,702.26
  5. Step 5: Solve for x
    x = 149,736,702.26/14,079.82
  6. Step 6: Final answer
    x = 10,634.84

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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.