Home / 13,117.41-19,686.11-4,805.28

Finding the Fourth Proportional to 13,117.41, 19,686.11 and 4,805.28

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Solution

The fourth proportional to 13,117.41, 19,686.11 and 4,805.28 is: 7,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.41 : 19,686.11 = 4,805.28 : x
  2. Step 2: Convert to fraction form
    13,117.41/19,686.11 = 4,805.28/x
  3. Step 3: Cross multiply
    13,117.41x = 19,686.11 × 4,805.28
  4. Step 4: Simplify right side
    13,117.41x = 94,597,246.63
  5. Step 5: Solve for x
    x = 94,597,246.63/13,117.41
  6. Step 6: Final answer
    x = 7,211.58

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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.