Home / 13,203.21-19,807.77-4,437.89

Finding the Fourth Proportional to 13,203.21, 19,807.77 and 4,437.89

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Solution

The fourth proportional to 13,203.21, 19,807.77 and 4,437.89 is: 6,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.21 : 19,807.77 = 4,437.89 : x
  2. Step 2: Convert to fraction form
    13,203.21/19,807.77 = 4,437.89/x
  3. Step 3: Cross multiply
    13,203.21x = 19,807.77 × 4,437.89
  4. Step 4: Simplify right side
    13,203.21x = 87,904,605.37
  5. Step 5: Solve for x
    x = 87,904,605.37/13,203.21
  6. Step 6: Final answer
    x = 6,657.82

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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.