Home / 14,219.60-21,329.40-9,048.40

Finding the Fourth Proportional to 14,219.60, 21,329.40 and 9,048.40

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Solution

The fourth proportional to 14,219.60, 21,329.40 and 9,048.40 is: 13,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.60 : 21,329.40 = 9,048.40 : x
  2. Step 2: Convert to fraction form
    14,219.60/21,329.40 = 9,048.40/x
  3. Step 3: Cross multiply
    14,219.60x = 21,329.40 × 9,048.40
  4. Step 4: Simplify right side
    14,219.60x = 192,996,942.96
  5. Step 5: Solve for x
    x = 192,996,942.96/14,219.60
  6. Step 6: Final answer
    x = 13,572.60

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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.