Home / 14,612.60-21,918.90-4,752.20

Finding the Fourth Proportional to 14,612.60, 21,918.90 and 4,752.20

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Solution

The fourth proportional to 14,612.60, 21,918.90 and 4,752.20 is: 7,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.60 : 21,918.90 = 4,752.20 : x
  2. Step 2: Convert to fraction form
    14,612.60/21,918.90 = 4,752.20/x
  3. Step 3: Cross multiply
    14,612.60x = 21,918.90 × 4,752.20
  4. Step 4: Simplify right side
    14,612.60x = 104,162,996.58
  5. Step 5: Solve for x
    x = 104,162,996.58/14,612.60
  6. Step 6: Final answer
    x = 7,128.30

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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.