Home / 14,630.36-21,945.18-4,242.20

Finding the Fourth Proportional to 14,630.36, 21,945.18 and 4,242.20

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Solution

The fourth proportional to 14,630.36, 21,945.18 and 4,242.20 is: 6,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.36 : 21,945.18 = 4,242.20 : x
  2. Step 2: Convert to fraction form
    14,630.36/21,945.18 = 4,242.20/x
  3. Step 3: Cross multiply
    14,630.36x = 21,945.18 × 4,242.20
  4. Step 4: Simplify right side
    14,630.36x = 93,095,842.60
  5. Step 5: Solve for x
    x = 93,095,842.60/14,630.36
  6. Step 6: Final answer
    x = 6,363.20

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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.