Home / 15,453.02-21,324.30-8,738.27

Finding the Fourth Proportional to 15,453.02, 21,324.30 and 8,738.27

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Solution

The fourth proportional to 15,453.02, 21,324.30 and 8,738.27 is: 12,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.02 : 21,324.30 = 8,738.27 : x
  2. Step 2: Convert to fraction form
    15,453.02/21,324.30 = 8,738.27/x
  3. Step 3: Cross multiply
    15,453.02x = 21,324.30 × 8,738.27
  4. Step 4: Simplify right side
    15,453.02x = 186,337,384.34
  5. Step 5: Solve for x
    x = 186,337,384.34/15,453.02
  6. Step 6: Final answer
    x = 12,058.32

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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.