Home / 14,129.04-21,194.28-4,769.40

Finding the Fourth Proportional to 14,129.04, 21,194.28 and 4,769.40

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Solution

The fourth proportional to 14,129.04, 21,194.28 and 4,769.40 is: 7,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.04 : 21,194.28 = 4,769.40 : x
  2. Step 2: Convert to fraction form
    14,129.04/21,194.28 = 4,769.40/x
  3. Step 3: Cross multiply
    14,129.04x = 21,194.28 × 4,769.40
  4. Step 4: Simplify right side
    14,129.04x = 101,083,999.03
  5. Step 5: Solve for x
    x = 101,083,999.03/14,129.04
  6. Step 6: Final answer
    x = 7,154.34

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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.