Home / 19,485.72-29,211.12-7,002.90

Finding the Fourth Proportional to 19,485.72, 29,211.12 and 7,002.90

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Solution

The fourth proportional to 19,485.72, 29,211.12 and 7,002.90 is: 10,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.72 : 29,211.12 = 7,002.90 : x
  2. Step 2: Convert to fraction form
    19,485.72/29,211.12 = 7,002.90/x
  3. Step 3: Cross multiply
    19,485.72x = 29,211.12 × 7,002.90
  4. Step 4: Simplify right side
    19,485.72x = 204,562,552.25
  5. Step 5: Solve for x
    x = 204,562,552.25/19,485.72
  6. Step 6: Final answer
    x = 10,498.08

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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.