Home / 19,380.60-26,746.41-10,885.50

Finding the Fourth Proportional to 19,380.60, 26,746.41 and 10,885.50

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Solution

The fourth proportional to 19,380.60, 26,746.41 and 10,885.50 is: 15,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.60 : 26,746.41 = 10,885.50 : x
  2. Step 2: Convert to fraction form
    19,380.60/26,746.41 = 10,885.50/x
  3. Step 3: Cross multiply
    19,380.60x = 26,746.41 × 10,885.50
  4. Step 4: Simplify right side
    19,380.60x = 291,148,046.06
  5. Step 5: Solve for x
    x = 291,148,046.06/19,380.60
  6. Step 6: Final answer
    x = 15,022.65

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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.