Home / 19,647.30-29,467.71-6,319.63

Finding the Fourth Proportional to 19,647.30, 29,467.71 and 6,319.63

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Solution

The fourth proportional to 19,647.30, 29,467.71 and 6,319.63 is: 9,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.30 : 29,467.71 = 6,319.63 : x
  2. Step 2: Convert to fraction form
    19,647.30/29,467.71 = 6,319.63/x
  3. Step 3: Cross multiply
    19,647.30x = 29,467.71 × 6,319.63
  4. Step 4: Simplify right side
    19,647.30x = 186,224,950.48
  5. Step 5: Solve for x
    x = 186,224,950.48/19,647.30
  6. Step 6: Final answer
    x = 9,478.40

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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.