Home / 9,470.90-13,069.86-5,279.15

Finding the Fourth Proportional to 9,470.90, 13,069.86 and 5,279.15

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Solution

The fourth proportional to 9,470.90, 13,069.86 and 5,279.15 is: 7,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.90 : 13,069.86 = 5,279.15 : x
  2. Step 2: Convert to fraction form
    9,470.90/13,069.86 = 5,279.15/x
  3. Step 3: Cross multiply
    9,470.90x = 13,069.86 × 5,279.15
  4. Step 4: Simplify right side
    9,470.90x = 68,997,751.42
  5. Step 5: Solve for x
    x = 68,997,751.42/9,470.90
  6. Step 6: Final answer
    x = 7,285.24

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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.