Home / 19,424.70-29,122.65-8,322.30

Finding the Fourth Proportional to 19,424.70, 29,122.65 and 8,322.30

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Solution

The fourth proportional to 19,424.70, 29,122.65 and 8,322.30 is: 12,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.70 : 29,122.65 = 8,322.30 : x
  2. Step 2: Convert to fraction form
    19,424.70/29,122.65 = 8,322.30/x
  3. Step 3: Cross multiply
    19,424.70x = 29,122.65 × 8,322.30
  4. Step 4: Simplify right side
    19,424.70x = 242,367,430.10
  5. Step 5: Solve for x
    x = 242,367,430.10/19,424.70
  6. Step 6: Final answer
    x = 12,477.28

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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.