Home / 14,210.20-21,308.81-9,204.40

Finding the Fourth Proportional to 14,210.20, 21,308.81 and 9,204.40

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Solution

The fourth proportional to 14,210.20, 21,308.81 and 9,204.40 is: 13,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.20 : 21,308.81 = 9,204.40 : x
  2. Step 2: Convert to fraction form
    14,210.20/21,308.81 = 9,204.40/x
  3. Step 3: Cross multiply
    14,210.20x = 21,308.81 × 9,204.40
  4. Step 4: Simplify right side
    14,210.20x = 196,134,704.22
  5. Step 5: Solve for x
    x = 196,134,704.22/14,210.20
  6. Step 6: Final answer
    x = 13,802.39

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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.