Home / 14,260.40-19,674.33-8,290.70

Finding the Fourth Proportional to 14,260.40, 19,674.33 and 8,290.70

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Solution

The fourth proportional to 14,260.40, 19,674.33 and 8,290.70 is: 11,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.40 : 19,674.33 = 8,290.70 : x
  2. Step 2: Convert to fraction form
    14,260.40/19,674.33 = 8,290.70/x
  3. Step 3: Cross multiply
    14,260.40x = 19,674.33 × 8,290.70
  4. Step 4: Simplify right side
    14,260.40x = 163,113,967.73
  5. Step 5: Solve for x
    x = 163,113,967.73/14,260.40
  6. Step 6: Final answer
    x = 11,438.25

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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.