Home / 18,928.60-26,120.44-10,430.44

Finding the Fourth Proportional to 18,928.60, 26,120.44 and 10,430.44

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Solution

The fourth proportional to 18,928.60, 26,120.44 and 10,430.44 is: 14,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.60 : 26,120.44 = 10,430.44 : x
  2. Step 2: Convert to fraction form
    18,928.60/26,120.44 = 10,430.44/x
  3. Step 3: Cross multiply
    18,928.60x = 26,120.44 × 10,430.44
  4. Step 4: Simplify right side
    18,928.60x = 272,447,682.19
  5. Step 5: Solve for x
    x = 272,447,682.19/18,928.60
  6. Step 6: Final answer
    x = 14,393.44

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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.