Home / 14,319.22-19,758.24-9,290.34

Finding the Fourth Proportional to 14,319.22, 19,758.24 and 9,290.34

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Solution

The fourth proportional to 14,319.22, 19,758.24 and 9,290.34 is: 12,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.22 : 19,758.24 = 9,290.34 : x
  2. Step 2: Convert to fraction form
    14,319.22/19,758.24 = 9,290.34/x
  3. Step 3: Cross multiply
    14,319.22x = 19,758.24 × 9,290.34
  4. Step 4: Simplify right side
    14,319.22x = 183,560,767.40
  5. Step 5: Solve for x
    x = 183,560,767.40/14,319.22
  6. Step 6: Final answer
    x = 12,819.19

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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.