Home / 19,916.78-27,485.01-10,964.44

Finding the Fourth Proportional to 19,916.78, 27,485.01 and 10,964.44

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Solution

The fourth proportional to 19,916.78, 27,485.01 and 10,964.44 is: 15,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.78 : 27,485.01 = 10,964.44 : x
  2. Step 2: Convert to fraction form
    19,916.78/27,485.01 = 10,964.44/x
  3. Step 3: Cross multiply
    19,916.78x = 27,485.01 × 10,964.44
  4. Step 4: Simplify right side
    19,916.78x = 301,357,674.33
  5. Step 5: Solve for x
    x = 301,357,674.33/19,916.78
  6. Step 6: Final answer
    x = 15,130.84

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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.