Home / 19,855.48-29,776.62-9,322.20

Finding the Fourth Proportional to 19,855.48, 29,776.62 and 9,322.20

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Solution

The fourth proportional to 19,855.48, 29,776.62 and 9,322.20 is: 13,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.48 : 29,776.62 = 9,322.20 : x
  2. Step 2: Convert to fraction form
    19,855.48/29,776.62 = 9,322.20/x
  3. Step 3: Cross multiply
    19,855.48x = 29,776.62 × 9,322.20
  4. Step 4: Simplify right side
    19,855.48x = 277,583,606.96
  5. Step 5: Solve for x
    x = 277,583,606.96/19,855.48
  6. Step 6: Final answer
    x = 13,980.20

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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.