Home / 13,138.04-19,695.72-5,352.32

Finding the Fourth Proportional to 13,138.04, 19,695.72 and 5,352.32

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Solution

The fourth proportional to 13,138.04, 19,695.72 and 5,352.32 is: 8,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138.04 : 19,695.72 = 5,352.32 : x
  2. Step 2: Convert to fraction form
    13,138.04/19,695.72 = 5,352.32/x
  3. Step 3: Cross multiply
    13,138.04x = 19,695.72 × 5,352.32
  4. Step 4: Simplify right side
    13,138.04x = 105,417,796.07
  5. Step 5: Solve for x
    x = 105,417,796.07/13,138.04
  6. Step 6: Final answer
    x = 8,023.86

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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.