Home / 13,099.86-19,647.84-4,777.92

Finding the Fourth Proportional to 13,099.86, 19,647.84 and 4,777.92

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Solution

The fourth proportional to 13,099.86, 19,647.84 and 4,777.92 is: 7,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.86 : 19,647.84 = 4,777.92 : x
  2. Step 2: Convert to fraction form
    13,099.86/19,647.84 = 4,777.92/x
  3. Step 3: Cross multiply
    13,099.86x = 19,647.84 × 4,777.92
  4. Step 4: Simplify right side
    13,099.86x = 93,875,807.69
  5. Step 5: Solve for x
    x = 93,875,807.69/13,099.86
  6. Step 6: Final answer
    x = 7,166.17

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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.