Home / 12,558.40-18,840.33-5,975.53

Finding the Fourth Proportional to 12,558.40, 18,840.33 and 5,975.53

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Solution

The fourth proportional to 12,558.40, 18,840.33 and 5,975.53 is: 8,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.40 : 18,840.33 = 5,975.53 : x
  2. Step 2: Convert to fraction form
    12,558.40/18,840.33 = 5,975.53/x
  3. Step 3: Cross multiply
    12,558.40x = 18,840.33 × 5,975.53
  4. Step 4: Simplify right side
    12,558.40x = 112,580,957.12
  5. Step 5: Solve for x
    x = 112,580,957.12/12,558.40
  6. Step 6: Final answer
    x = 8,964.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.