Home / 14,119.20-19,445.04-13,813.08

Finding the Fourth Proportional to 14,119.20, 19,445.04 and 13,813.08

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Solution

The fourth proportional to 14,119.20, 19,445.04 and 13,813.08 is: 19,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.20 : 19,445.04 = 13,813.08 : x
  2. Step 2: Convert to fraction form
    14,119.20/19,445.04 = 13,813.08/x
  3. Step 3: Cross multiply
    14,119.20x = 19,445.04 × 13,813.08
  4. Step 4: Simplify right side
    14,119.20x = 268,595,893.12
  5. Step 5: Solve for x
    x = 268,595,893.12/14,119.20
  6. Step 6: Final answer
    x = 19,023.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.