Home / 18,447.36-25,456.32-10,491.52

Finding the Fourth Proportional to 18,447.36, 25,456.32 and 10,491.52

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Solution

The fourth proportional to 18,447.36, 25,456.32 and 10,491.52 is: 14,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.36 : 25,456.32 = 10,491.52 : x
  2. Step 2: Convert to fraction form
    18,447.36/25,456.32 = 10,491.52/x
  3. Step 3: Cross multiply
    18,447.36x = 25,456.32 × 10,491.52
  4. Step 4: Simplify right side
    18,447.36x = 267,075,490.41
  5. Step 5: Solve for x
    x = 267,075,490.41/18,447.36
  6. Step 6: Final answer
    x = 14,477.71

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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.