Home / 14,628.40-21,937.20-7,230.40

Finding the Fourth Proportional to 14,628.40, 21,937.20 and 7,230.40

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Solution

The fourth proportional to 14,628.40, 21,937.20 and 7,230.40 is: 10,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.40 : 21,937.20 = 7,230.40 : x
  2. Step 2: Convert to fraction form
    14,628.40/21,937.20 = 7,230.40/x
  3. Step 3: Cross multiply
    14,628.40x = 21,937.20 × 7,230.40
  4. Step 4: Simplify right side
    14,628.40x = 158,614,730.88
  5. Step 5: Solve for x
    x = 158,614,730.88/14,628.40
  6. Step 6: Final answer
    x = 10,842.93

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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.