Home / 10,281.06-15,420.56-3,707.33

Finding the Fourth Proportional to 10,281.06, 15,420.56 and 3,707.33

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Solution

The fourth proportional to 10,281.06, 15,420.56 and 3,707.33 is: 5,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.06 : 15,420.56 = 3,707.33 : x
  2. Step 2: Convert to fraction form
    10,281.06/15,420.56 = 3,707.33/x
  3. Step 3: Cross multiply
    10,281.06x = 15,420.56 × 3,707.33
  4. Step 4: Simplify right side
    10,281.06x = 57,169,009.07
  5. Step 5: Solve for x
    x = 57,169,009.07/10,281.06
  6. Step 6: Final answer
    x = 5,560.61

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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.