Home / 13,012.46-19,515.77-5,985.72

Finding the Fourth Proportional to 13,012.46, 19,515.77 and 5,985.72

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Solution

The fourth proportional to 13,012.46, 19,515.77 and 5,985.72 is: 8,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.46 : 19,515.77 = 5,985.72 : x
  2. Step 2: Convert to fraction form
    13,012.46/19,515.77 = 5,985.72/x
  3. Step 3: Cross multiply
    13,012.46x = 19,515.77 × 5,985.72
  4. Step 4: Simplify right side
    13,012.46x = 116,815,934.80
  5. Step 5: Solve for x
    x = 116,815,934.80/13,012.46
  6. Step 6: Final answer
    x = 8,977.24

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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.