Home / 21,689.04-32,529.48-6,898.12

Finding the Fourth Proportional to 21,689.04, 32,529.48 and 6,898.12

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Solution

The fourth proportional to 21,689.04, 32,529.48 and 6,898.12 is: 10,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.04 : 32,529.48 = 6,898.12 : x
  2. Step 2: Convert to fraction form
    21,689.04/32,529.48 = 6,898.12/x
  3. Step 3: Cross multiply
    21,689.04x = 32,529.48 × 6,898.12
  4. Step 4: Simplify right side
    21,689.04x = 224,392,256.58
  5. Step 5: Solve for x
    x = 224,392,256.58/21,689.04
  6. Step 6: Final answer
    x = 10,345.88

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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.