Home / 19,922.04-29,813.40-13,652.64

Finding the Fourth Proportional to 19,922.04, 29,813.40 and 13,652.64

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Solution

The fourth proportional to 19,922.04, 29,813.40 and 13,652.64 is: 20,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.04 : 29,813.40 = 13,652.64 : x
  2. Step 2: Convert to fraction form
    19,922.04/29,813.40 = 13,652.64/x
  3. Step 3: Cross multiply
    19,922.04x = 29,813.40 × 13,652.64
  4. Step 4: Simplify right side
    19,922.04x = 407,031,617.38
  5. Step 5: Solve for x
    x = 407,031,617.38/19,922.04
  6. Step 6: Final answer
    x = 20,431.22

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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.