Home / 12,817.56-19,225.47-6,158.82

Finding the Fourth Proportional to 12,817.56, 19,225.47 and 6,158.82

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Solution

The fourth proportional to 12,817.56, 19,225.47 and 6,158.82 is: 9,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.56 : 19,225.47 = 6,158.82 : x
  2. Step 2: Convert to fraction form
    12,817.56/19,225.47 = 6,158.82/x
  3. Step 3: Cross multiply
    12,817.56x = 19,225.47 × 6,158.82
  4. Step 4: Simplify right side
    12,817.56x = 118,406,209.15
  5. Step 5: Solve for x
    x = 118,406,209.15/12,817.56
  6. Step 6: Final answer
    x = 9,237.81

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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.