Home / 15,527.02-21,427.16-8,453.44

Finding the Fourth Proportional to 15,527.02, 21,427.16 and 8,453.44

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Solution

The fourth proportional to 15,527.02, 21,427.16 and 8,453.44 is: 11,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.02 : 21,427.16 = 8,453.44 : x
  2. Step 2: Convert to fraction form
    15,527.02/21,427.16 = 8,453.44/x
  3. Step 3: Cross multiply
    15,527.02x = 21,427.16 × 8,453.44
  4. Step 4: Simplify right side
    15,527.02x = 181,133,211.43
  5. Step 5: Solve for x
    x = 181,133,211.43/15,527.02
  6. Step 6: Final answer
    x = 11,665.68

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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.