Home / 13,012.59-19,521.33-4,127.55

Finding the Fourth Proportional to 13,012.59, 19,521.33 and 4,127.55

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Solution

The fourth proportional to 13,012.59, 19,521.33 and 4,127.55 is: 6,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.59 : 19,521.33 = 4,127.55 : x
  2. Step 2: Convert to fraction form
    13,012.59/19,521.33 = 4,127.55/x
  3. Step 3: Cross multiply
    13,012.59x = 19,521.33 × 4,127.55
  4. Step 4: Simplify right side
    13,012.59x = 80,575,265.64
  5. Step 5: Solve for x
    x = 80,575,265.64/13,012.59
  6. Step 6: Final answer
    x = 6,192.10

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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.