Home / 15,633.48-21,573.34-8,558.53

Finding the Fourth Proportional to 15,633.48, 21,573.34 and 8,558.53

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Solution

The fourth proportional to 15,633.48, 21,573.34 and 8,558.53 is: 11,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.48 : 21,573.34 = 8,558.53 : x
  2. Step 2: Convert to fraction form
    15,633.48/21,573.34 = 8,558.53/x
  3. Step 3: Cross multiply
    15,633.48x = 21,573.34 × 8,558.53
  4. Step 4: Simplify right side
    15,633.48x = 184,636,077.59
  5. Step 5: Solve for x
    x = 184,636,077.59/15,633.48
  6. Step 6: Final answer
    x = 11,810.30

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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.