Home / 19,165.60-26,447.34-11,207.35

Finding the Fourth Proportional to 19,165.60, 26,447.34 and 11,207.35

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Solution

The fourth proportional to 19,165.60, 26,447.34 and 11,207.35 is: 15,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.60 : 26,447.34 = 11,207.35 : x
  2. Step 2: Convert to fraction form
    19,165.60/26,447.34 = 11,207.35/x
  3. Step 3: Cross multiply
    19,165.60x = 26,447.34 × 11,207.35
  4. Step 4: Simplify right side
    19,165.60x = 296,404,595.95
  5. Step 5: Solve for x
    x = 296,404,595.95/19,165.60
  6. Step 6: Final answer
    x = 15,465.45

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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.