Home / 14,821.47-22,220.67-7,422.12

Finding the Fourth Proportional to 14,821.47, 22,220.67 and 7,422.12

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Solution

The fourth proportional to 14,821.47, 22,220.67 and 7,422.12 is: 11,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.47 : 22,220.67 = 7,422.12 : x
  2. Step 2: Convert to fraction form
    14,821.47/22,220.67 = 7,422.12/x
  3. Step 3: Cross multiply
    14,821.47x = 22,220.67 × 7,422.12
  4. Step 4: Simplify right side
    14,821.47x = 164,924,479.22
  5. Step 5: Solve for x
    x = 164,924,479.22/14,821.47
  6. Step 6: Final answer
    x = 11,127.40

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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.