Home / 13,928.35-19,214.60-9,156.24

Finding the Fourth Proportional to 13,928.35, 19,214.60 and 9,156.24

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Solution

The fourth proportional to 13,928.35, 19,214.60 and 9,156.24 is: 12,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.35 : 19,214.60 = 9,156.24 : x
  2. Step 2: Convert to fraction form
    13,928.35/19,214.60 = 9,156.24/x
  3. Step 3: Cross multiply
    13,928.35x = 19,214.60 × 9,156.24
  4. Step 4: Simplify right side
    13,928.35x = 175,933,489.10
  5. Step 5: Solve for x
    x = 175,933,489.10/13,928.35
  6. Step 6: Final answer
    x = 12,631.32

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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.