Home / 14,019.96-19,337.55-13,556.58

Finding the Fourth Proportional to 14,019.96, 19,337.55 and 13,556.58

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Solution

The fourth proportional to 14,019.96, 19,337.55 and 13,556.58 is: 18,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.96 : 19,337.55 = 13,556.58 : x
  2. Step 2: Convert to fraction form
    14,019.96/19,337.55 = 13,556.58/x
  3. Step 3: Cross multiply
    14,019.96x = 19,337.55 × 13,556.58
  4. Step 4: Simplify right side
    14,019.96x = 262,151,159.64
  5. Step 5: Solve for x
    x = 262,151,159.64/14,019.96
  6. Step 6: Final answer
    x = 18,698.43

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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.