Home / 19,847.79-27,389.85-10,895.45

Finding the Fourth Proportional to 19,847.79, 27,389.85 and 10,895.45

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Solution

The fourth proportional to 19,847.79, 27,389.85 and 10,895.45 is: 15,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.79 : 27,389.85 = 10,895.45 : x
  2. Step 2: Convert to fraction form
    19,847.79/27,389.85 = 10,895.45/x
  3. Step 3: Cross multiply
    19,847.79x = 27,389.85 × 10,895.45
  4. Step 4: Simplify right side
    19,847.79x = 298,424,563.38
  5. Step 5: Solve for x
    x = 298,424,563.38/19,847.79
  6. Step 6: Final answer
    x = 15,035.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.