Home / 14,079.98-19,429.68-8,030.46

Finding the Fourth Proportional to 14,079.98, 19,429.68 and 8,030.46

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Solution

The fourth proportional to 14,079.98, 19,429.68 and 8,030.46 is: 11,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.98 : 19,429.68 = 8,030.46 : x
  2. Step 2: Convert to fraction form
    14,079.98/19,429.68 = 8,030.46/x
  3. Step 3: Cross multiply
    14,079.98x = 19,429.68 × 8,030.46
  4. Step 4: Simplify right side
    14,079.98x = 156,029,268.05
  5. Step 5: Solve for x
    x = 156,029,268.05/14,079.98
  6. Step 6: Final answer
    x = 11,081.64

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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.