Home / 19,895.04-29,837.70-13,360.77

Finding the Fourth Proportional to 19,895.04, 29,837.70 and 13,360.77

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Solution

The fourth proportional to 19,895.04, 29,837.70 and 13,360.77 is: 20,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.04 : 29,837.70 = 13,360.77 : x
  2. Step 2: Convert to fraction form
    19,895.04/29,837.70 = 13,360.77/x
  3. Step 3: Cross multiply
    19,895.04x = 29,837.70 × 13,360.77
  4. Step 4: Simplify right side
    19,895.04x = 398,654,647.03
  5. Step 5: Solve for x
    x = 398,654,647.03/19,895.04
  6. Step 6: Final answer
    x = 20,037.89

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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.