Home / 19,916.23-27,485.18-10,964.56

Finding the Fourth Proportional to 19,916.23, 27,485.18 and 10,964.56

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Solution

The fourth proportional to 19,916.23, 27,485.18 and 10,964.56 is: 15,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.23 : 27,485.18 = 10,964.56 : x
  2. Step 2: Convert to fraction form
    19,916.23/27,485.18 = 10,964.56/x
  3. Step 3: Cross multiply
    19,916.23x = 27,485.18 × 10,964.56
  4. Step 4: Simplify right side
    19,916.23x = 301,362,919.11
  5. Step 5: Solve for x
    x = 301,362,919.11/19,916.23
  6. Step 6: Final answer
    x = 15,131.53

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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.