Home / 14,022.56-21,032.40-4,663.20

Finding the Fourth Proportional to 14,022.56, 21,032.40 and 4,663.20

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Solution

The fourth proportional to 14,022.56, 21,032.40 and 4,663.20 is: 6,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.56 : 21,032.40 = 4,663.20 : x
  2. Step 2: Convert to fraction form
    14,022.56/21,032.40 = 4,663.20/x
  3. Step 3: Cross multiply
    14,022.56x = 21,032.40 × 4,663.20
  4. Step 4: Simplify right side
    14,022.56x = 98,078,287.68
  5. Step 5: Solve for x
    x = 98,078,287.68/14,022.56
  6. Step 6: Final answer
    x = 6,994.32

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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.