Home / 9,314.52-13,980.96-6,842.40

Finding the Fourth Proportional to 9,314.52, 13,980.96 and 6,842.40

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Solution

The fourth proportional to 9,314.52, 13,980.96 and 6,842.40 is: 10,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.52 : 13,980.96 = 6,842.40 : x
  2. Step 2: Convert to fraction form
    9,314.52/13,980.96 = 6,842.40/x
  3. Step 3: Cross multiply
    9,314.52x = 13,980.96 × 6,842.40
  4. Step 4: Simplify right side
    9,314.52x = 95,663,320.70
  5. Step 5: Solve for x
    x = 95,663,320.70/9,314.52
  6. Step 6: Final answer
    x = 10,270.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.