Home / 14,318.22-19,756.86-9,289.34

Finding the Fourth Proportional to 14,318.22, 19,756.86 and 9,289.34

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Solution

The fourth proportional to 14,318.22, 19,756.86 and 9,289.34 is: 12,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.22 : 19,756.86 = 9,289.34 : x
  2. Step 2: Convert to fraction form
    14,318.22/19,756.86 = 9,289.34/x
  3. Step 3: Cross multiply
    14,318.22x = 19,756.86 × 9,289.34
  4. Step 4: Simplify right side
    14,318.22x = 183,528,189.87
  5. Step 5: Solve for x
    x = 183,528,189.87/14,318.22
  6. Step 6: Final answer
    x = 12,817.81

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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.