Home / 15,339.86-23,010.08-4,809.65

Finding the Fourth Proportional to 15,339.86, 23,010.08 and 4,809.65

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Solution

The fourth proportional to 15,339.86, 23,010.08 and 4,809.65 is: 7,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.86 : 23,010.08 = 4,809.65 : x
  2. Step 2: Convert to fraction form
    15,339.86/23,010.08 = 4,809.65/x
  3. Step 3: Cross multiply
    15,339.86x = 23,010.08 × 4,809.65
  4. Step 4: Simplify right side
    15,339.86x = 110,670,292.17
  5. Step 5: Solve for x
    x = 110,670,292.17/15,339.86
  6. Step 6: Final answer
    x = 7,214.56

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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.