Home / 13,098.86-19,646.34-4,776.92

Finding the Fourth Proportional to 13,098.86, 19,646.34 and 4,776.92

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Solution

The fourth proportional to 13,098.86, 19,646.34 and 4,776.92 is: 7,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.86 : 19,646.34 = 4,776.92 : x
  2. Step 2: Convert to fraction form
    13,098.86/19,646.34 = 4,776.92/x
  3. Step 3: Cross multiply
    13,098.86x = 19,646.34 × 4,776.92
  4. Step 4: Simplify right side
    13,098.86x = 93,848,994.47
  5. Step 5: Solve for x
    x = 93,848,994.47/13,098.86
  6. Step 6: Final answer
    x = 7,164.67

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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.