Home / 13,119.22-19,681.75-4,799.05

Finding the Fourth Proportional to 13,119.22, 19,681.75 and 4,799.05

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Solution

The fourth proportional to 13,119.22, 19,681.75 and 4,799.05 is: 7,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.22 : 19,681.75 = 4,799.05 : x
  2. Step 2: Convert to fraction form
    13,119.22/19,681.75 = 4,799.05/x
  3. Step 3: Cross multiply
    13,119.22x = 19,681.75 × 4,799.05
  4. Step 4: Simplify right side
    13,119.22x = 94,453,702.34
  5. Step 5: Solve for x
    x = 94,453,702.34/13,119.22
  6. Step 6: Final answer
    x = 7,199.64

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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.