Home / 15,633.56-21,574.08-8,463.32

Finding the Fourth Proportional to 15,633.56, 21,574.08 and 8,463.32

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Solution

The fourth proportional to 15,633.56, 21,574.08 and 8,463.32 is: 11,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.56 : 21,574.08 = 8,463.32 : x
  2. Step 2: Convert to fraction form
    15,633.56/21,574.08 = 8,463.32/x
  3. Step 3: Cross multiply
    15,633.56x = 21,574.08 × 8,463.32
  4. Step 4: Simplify right side
    15,633.56x = 182,588,342.75
  5. Step 5: Solve for x
    x = 182,588,342.75/15,633.56
  6. Step 6: Final answer
    x = 11,679.26

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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.