Home / 13,303.86-19,956.39-4,538.85

Finding the Fourth Proportional to 13,303.86, 19,956.39 and 4,538.85

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Solution

The fourth proportional to 13,303.86, 19,956.39 and 4,538.85 is: 6,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.86 : 19,956.39 = 4,538.85 : x
  2. Step 2: Convert to fraction form
    13,303.86/19,956.39 = 4,538.85/x
  3. Step 3: Cross multiply
    13,303.86x = 19,956.39 × 4,538.85
  4. Step 4: Simplify right side
    13,303.86x = 90,579,060.75
  5. Step 5: Solve for x
    x = 90,579,060.75/13,303.86
  6. Step 6: Final answer
    x = 6,808.48

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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.