Home / 19,860.60-27,412.35-11,367.62

Finding the Fourth Proportional to 19,860.60, 27,412.35 and 11,367.62

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Solution

The fourth proportional to 19,860.60, 27,412.35 and 11,367.62 is: 15,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.60 : 27,412.35 = 11,367.62 : x
  2. Step 2: Convert to fraction form
    19,860.60/27,412.35 = 11,367.62/x
  3. Step 3: Cross multiply
    19,860.60x = 27,412.35 × 11,367.62
  4. Step 4: Simplify right side
    19,860.60x = 311,613,178.11
  5. Step 5: Solve for x
    x = 311,613,178.11/19,860.60
  6. Step 6: Final answer
    x = 15,690.02

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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.