Home / 13,015.59-19,525.83-4,130.55

Finding the Fourth Proportional to 13,015.59, 19,525.83 and 4,130.55

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Solution

The fourth proportional to 13,015.59, 19,525.83 and 4,130.55 is: 6,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.59 : 19,525.83 = 4,130.55 : x
  2. Step 2: Convert to fraction form
    13,015.59/19,525.83 = 4,130.55/x
  3. Step 3: Cross multiply
    13,015.59x = 19,525.83 × 4,130.55
  4. Step 4: Simplify right side
    13,015.59x = 80,652,417.11
  5. Step 5: Solve for x
    x = 80,652,417.11/13,015.59
  6. Step 6: Final answer
    x = 6,196.60

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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.