Home / 19,623.57-29,395.94-9,078.81

Finding the Fourth Proportional to 19,623.57, 29,395.94 and 9,078.81

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Solution

The fourth proportional to 19,623.57, 29,395.94 and 9,078.81 is: 13,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.57 : 29,395.94 = 9,078.81 : x
  2. Step 2: Convert to fraction form
    19,623.57/29,395.94 = 9,078.81/x
  3. Step 3: Cross multiply
    19,623.57x = 29,395.94 × 9,078.81
  4. Step 4: Simplify right side
    19,623.57x = 266,880,108.64
  5. Step 5: Solve for x
    x = 266,880,108.64/19,623.57
  6. Step 6: Final answer
    x = 13,599.98

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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.