Home / 13,107.37-19,643.52-4,779.55

Finding the Fourth Proportional to 13,107.37, 19,643.52 and 4,779.55

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Solution

The fourth proportional to 13,107.37, 19,643.52 and 4,779.55 is: 7,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.37 : 19,643.52 = 4,779.55 : x
  2. Step 2: Convert to fraction form
    13,107.37/19,643.52 = 4,779.55/x
  3. Step 3: Cross multiply
    13,107.37x = 19,643.52 × 4,779.55
  4. Step 4: Simplify right side
    13,107.37x = 93,887,186.02
  5. Step 5: Solve for x
    x = 93,887,186.02/13,107.37
  6. Step 6: Final answer
    x = 7,162.93

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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.