Home / 19,758.76-29,637.66-6,431.74

Finding the Fourth Proportional to 19,758.76, 29,637.66 and 6,431.74

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Solution

The fourth proportional to 19,758.76, 29,637.66 and 6,431.74 is: 9,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.76 : 29,637.66 = 6,431.74 : x
  2. Step 2: Convert to fraction form
    19,758.76/29,637.66 = 6,431.74/x
  3. Step 3: Cross multiply
    19,758.76x = 29,637.66 × 6,431.74
  4. Step 4: Simplify right side
    19,758.76x = 190,621,723.33
  5. Step 5: Solve for x
    x = 190,621,723.33/19,758.76
  6. Step 6: Final answer
    x = 9,647.45

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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.