Home / 13,012.22-19,506.36-4,690.20

Finding the Fourth Proportional to 13,012.22, 19,506.36 and 4,690.20

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Solution

The fourth proportional to 13,012.22, 19,506.36 and 4,690.20 is: 7,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.22 : 19,506.36 = 4,690.20 : x
  2. Step 2: Convert to fraction form
    13,012.22/19,506.36 = 4,690.20/x
  3. Step 3: Cross multiply
    13,012.22x = 19,506.36 × 4,690.20
  4. Step 4: Simplify right side
    13,012.22x = 91,488,643.87
  5. Step 5: Solve for x
    x = 91,488,643.87/13,012.22
  6. Step 6: Final answer
    x = 7,030.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.