Home / 12,802.03-19,205.65-7,257.85

Finding the Fourth Proportional to 12,802.03, 19,205.65 and 7,257.85

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Solution

The fourth proportional to 12,802.03, 19,205.65 and 7,257.85 is: 10,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.03 : 19,205.65 = 7,257.85 : x
  2. Step 2: Convert to fraction form
    12,802.03/19,205.65 = 7,257.85/x
  3. Step 3: Cross multiply
    12,802.03x = 19,205.65 × 7,257.85
  4. Step 4: Simplify right side
    12,802.03x = 139,391,630.82
  5. Step 5: Solve for x
    x = 139,391,630.82/12,802.03
  6. Step 6: Final answer
    x = 10,888.25

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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.