Home / 15,980.36-23,970.52-4,293.57

Finding the Fourth Proportional to 15,980.36, 23,970.52 and 4,293.57

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Solution

The fourth proportional to 15,980.36, 23,970.52 and 4,293.57 is: 6,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.36 : 23,970.52 = 4,293.57 : x
  2. Step 2: Convert to fraction form
    15,980.36/23,970.52 = 4,293.57/x
  3. Step 3: Cross multiply
    15,980.36x = 23,970.52 × 4,293.57
  4. Step 4: Simplify right side
    15,980.36x = 102,919,184.71
  5. Step 5: Solve for x
    x = 102,919,184.71/15,980.36
  6. Step 6: Final answer
    x = 6,440.36

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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.