Home / 13,014.45-19,518.75-5,987.72

Finding the Fourth Proportional to 13,014.45, 19,518.75 and 5,987.72

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Solution

The fourth proportional to 13,014.45, 19,518.75 and 5,987.72 is: 8,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.45 : 19,518.75 = 5,987.72 : x
  2. Step 2: Convert to fraction form
    13,014.45/19,518.75 = 5,987.72/x
  3. Step 3: Cross multiply
    13,014.45x = 19,518.75 × 5,987.72
  4. Step 4: Simplify right side
    13,014.45x = 116,872,858.55
  5. Step 5: Solve for x
    x = 116,872,858.55/13,014.45
  6. Step 6: Final answer
    x = 8,980.24

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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.