Home / 9,288.96-12,823.74-7,159.83

Finding the Fourth Proportional to 9,288.96, 12,823.74 and 7,159.83

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Solution

The fourth proportional to 9,288.96, 12,823.74 and 7,159.83 is: 9,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.96 : 12,823.74 = 7,159.83 : x
  2. Step 2: Convert to fraction form
    9,288.96/12,823.74 = 7,159.83/x
  3. Step 3: Cross multiply
    9,288.96x = 12,823.74 × 7,159.83
  4. Step 4: Simplify right side
    9,288.96x = 91,815,798.36
  5. Step 5: Solve for x
    x = 91,815,798.36/9,288.96
  6. Step 6: Final answer
    x = 9,884.40

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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.