Home / 19,197.99-26,502.12-13,537.35

Finding the Fourth Proportional to 19,197.99, 26,502.12 and 13,537.35

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Solution

The fourth proportional to 19,197.99, 26,502.12 and 13,537.35 is: 18,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.99 : 26,502.12 = 13,537.35 : x
  2. Step 2: Convert to fraction form
    19,197.99/26,502.12 = 13,537.35/x
  3. Step 3: Cross multiply
    19,197.99x = 26,502.12 × 13,537.35
  4. Step 4: Simplify right side
    19,197.99x = 358,768,474.18
  5. Step 5: Solve for x
    x = 358,768,474.18/19,197.99
  6. Step 6: Final answer
    x = 18,687.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.