Home / 19,816.30-29,715.80-7,495.66

Finding the Fourth Proportional to 19,816.30, 29,715.80 and 7,495.66

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Solution

The fourth proportional to 19,816.30, 29,715.80 and 7,495.66 is: 11,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.30 : 29,715.80 = 7,495.66 : x
  2. Step 2: Convert to fraction form
    19,816.30/29,715.80 = 7,495.66/x
  3. Step 3: Cross multiply
    19,816.30x = 29,715.80 × 7,495.66
  4. Step 4: Simplify right side
    19,816.30x = 222,739,533.43
  5. Step 5: Solve for x
    x = 222,739,533.43/19,816.30
  6. Step 6: Final answer
    x = 11,240.22

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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.