Home / 15,980.48-23,970.70-4,293.69

Finding the Fourth Proportional to 15,980.48, 23,970.70 and 4,293.69

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Solution

The fourth proportional to 15,980.48, 23,970.70 and 4,293.69 is: 6,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.48 : 23,970.70 = 4,293.69 : x
  2. Step 2: Convert to fraction form
    15,980.48/23,970.70 = 4,293.69/x
  3. Step 3: Cross multiply
    15,980.48x = 23,970.70 × 4,293.69
  4. Step 4: Simplify right side
    15,980.48x = 102,922,754.88
  5. Step 5: Solve for x
    x = 102,922,754.88/15,980.48
  6. Step 6: Final answer
    x = 6,440.53

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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.