Home / 13,970.54-20,951.69-4,107.47

Finding the Fourth Proportional to 13,970.54, 20,951.69 and 4,107.47

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Solution

The fourth proportional to 13,970.54, 20,951.69 and 4,107.47 is: 6,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.54 : 20,951.69 = 4,107.47 : x
  2. Step 2: Convert to fraction form
    13,970.54/20,951.69 = 4,107.47/x
  3. Step 3: Cross multiply
    13,970.54x = 20,951.69 × 4,107.47
  4. Step 4: Simplify right side
    13,970.54x = 86,058,312.83
  5. Step 5: Solve for x
    x = 86,058,312.83/13,970.54
  6. Step 6: Final answer
    x = 6,159.98

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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.