Home / 21,714.64-32,576.74-12,359.06

Finding the Fourth Proportional to 21,714.64, 32,576.74 and 12,359.06

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Solution

The fourth proportional to 21,714.64, 32,576.74 and 12,359.06 is: 18,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.64 : 32,576.74 = 12,359.06 : x
  2. Step 2: Convert to fraction form
    21,714.64/32,576.74 = 12,359.06/x
  3. Step 3: Cross multiply
    21,714.64x = 32,576.74 × 12,359.06
  4. Step 4: Simplify right side
    21,714.64x = 402,617,996.60
  5. Step 5: Solve for x
    x = 402,617,996.60/21,714.64
  6. Step 6: Final answer
    x = 18,541.32

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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.