Home / 15,980.54-23,970.80-4,293.76

Finding the Fourth Proportional to 15,980.54, 23,970.80 and 4,293.76

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Solution

The fourth proportional to 15,980.54, 23,970.80 and 4,293.76 is: 6,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.54 : 23,970.80 = 4,293.76 : x
  2. Step 2: Convert to fraction form
    15,980.54/23,970.80 = 4,293.76/x
  3. Step 3: Cross multiply
    15,980.54x = 23,970.80 × 4,293.76
  4. Step 4: Simplify right side
    15,980.54x = 102,924,813.02
  5. Step 5: Solve for x
    x = 102,924,813.02/15,980.54
  6. Step 6: Final answer
    x = 6,440.63

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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.