Home / 17,869.60-26,770.57-11,928.58

Finding the Fourth Proportional to 17,869.60, 26,770.57 and 11,928.58

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Solution

The fourth proportional to 17,869.60, 26,770.57 and 11,928.58 is: 17,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.60 : 26,770.57 = 11,928.58 : x
  2. Step 2: Convert to fraction form
    17,869.60/26,770.57 = 11,928.58/x
  3. Step 3: Cross multiply
    17,869.60x = 26,770.57 × 11,928.58
  4. Step 4: Simplify right side
    17,869.60x = 319,334,752.04
  5. Step 5: Solve for x
    x = 319,334,752.04/17,869.60
  6. Step 6: Final answer
    x = 17,870.28

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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.