Home / 15,657.34-23,485.96-3,970.53

Finding the Fourth Proportional to 15,657.34, 23,485.96 and 3,970.53

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Solution

The fourth proportional to 15,657.34, 23,485.96 and 3,970.53 is: 5,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.34 : 23,485.96 = 3,970.53 : x
  2. Step 2: Convert to fraction form
    15,657.34/23,485.96 = 3,970.53/x
  3. Step 3: Cross multiply
    15,657.34x = 23,485.96 × 3,970.53
  4. Step 4: Simplify right side
    15,657.34x = 93,251,708.76
  5. Step 5: Solve for x
    x = 93,251,708.76/15,657.34
  6. Step 6: Final answer
    x = 5,955.78

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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.