Home / 14,319.52-19,759.61-8,030.68

Finding the Fourth Proportional to 14,319.52, 19,759.61 and 8,030.68

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Solution

The fourth proportional to 14,319.52, 19,759.61 and 8,030.68 is: 11,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.52 : 19,759.61 = 8,030.68 : x
  2. Step 2: Convert to fraction form
    14,319.52/19,759.61 = 8,030.68/x
  3. Step 3: Cross multiply
    14,319.52x = 19,759.61 × 8,030.68
  4. Step 4: Simplify right side
    14,319.52x = 158,683,104.83
  5. Step 5: Solve for x
    x = 158,683,104.83/14,319.52
  6. Step 6: Final answer
    x = 11,081.59

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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.