Home / 19,728.16-29,599.14-12,323.94

Finding the Fourth Proportional to 19,728.16, 29,599.14 and 12,323.94

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Solution

The fourth proportional to 19,728.16, 29,599.14 and 12,323.94 is: 18,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.16 : 29,599.14 = 12,323.94 : x
  2. Step 2: Convert to fraction form
    19,728.16/29,599.14 = 12,323.94/x
  3. Step 3: Cross multiply
    19,728.16x = 29,599.14 × 12,323.94
  4. Step 4: Simplify right side
    19,728.16x = 364,778,025.41
  5. Step 5: Solve for x
    x = 364,778,025.41/19,728.16
  6. Step 6: Final answer
    x = 18,490.22

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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.