Home / 14,455.48-19,951.86-9,157.54

Finding the Fourth Proportional to 14,455.48, 19,951.86 and 9,157.54

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Solution

The fourth proportional to 14,455.48, 19,951.86 and 9,157.54 is: 12,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.48 : 19,951.86 = 9,157.54 : x
  2. Step 2: Convert to fraction form
    14,455.48/19,951.86 = 9,157.54/x
  3. Step 3: Cross multiply
    14,455.48x = 19,951.86 × 9,157.54
  4. Step 4: Simplify right side
    14,455.48x = 182,709,956.02
  5. Step 5: Solve for x
    x = 182,709,956.02/14,455.48
  6. Step 6: Final answer
    x = 12,639.49

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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.