Home / 13,317.37-19,957.03-9,779.62

Finding the Fourth Proportional to 13,317.37, 19,957.03 and 9,779.62

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Solution

The fourth proportional to 13,317.37, 19,957.03 and 9,779.62 is: 14,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.37 : 19,957.03 = 9,779.62 : x
  2. Step 2: Convert to fraction form
    13,317.37/19,957.03 = 9,779.62/x
  3. Step 3: Cross multiply
    13,317.37x = 19,957.03 × 9,779.62
  4. Step 4: Simplify right side
    13,317.37x = 195,172,169.73
  5. Step 5: Solve for x
    x = 195,172,169.73/13,317.37
  6. Step 6: Final answer
    x = 14,655.46

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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.