Home / 17,928.64-24,741.36-9,970.66

Finding the Fourth Proportional to 17,928.64, 24,741.36 and 9,970.66

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Solution

The fourth proportional to 17,928.64, 24,741.36 and 9,970.66 is: 13,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.64 : 24,741.36 = 9,970.66 : x
  2. Step 2: Convert to fraction form
    17,928.64/24,741.36 = 9,970.66/x
  3. Step 3: Cross multiply
    17,928.64x = 24,741.36 × 9,970.66
  4. Step 4: Simplify right side
    17,928.64x = 246,687,688.50
  5. Step 5: Solve for x
    x = 246,687,688.50/17,928.64
  6. Step 6: Final answer
    x = 13,759.42

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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.