Home / 15,467.34-21,322.52-11,428.22

Finding the Fourth Proportional to 15,467.34, 21,322.52 and 11,428.22

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Solution

The fourth proportional to 15,467.34, 21,322.52 and 11,428.22 is: 15,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.34 : 21,322.52 = 11,428.22 : x
  2. Step 2: Convert to fraction form
    15,467.34/21,322.52 = 11,428.22/x
  3. Step 3: Cross multiply
    15,467.34x = 21,322.52 × 11,428.22
  4. Step 4: Simplify right side
    15,467.34x = 243,678,285.76
  5. Step 5: Solve for x
    x = 243,678,285.76/15,467.34
  6. Step 6: Final answer
    x = 15,754.38

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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.