Home / 14,521.17-21,783.06-5,636.30

Finding the Fourth Proportional to 14,521.17, 21,783.06 and 5,636.30

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Solution

The fourth proportional to 14,521.17, 21,783.06 and 5,636.30 is: 8,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.17 : 21,783.06 = 5,636.30 : x
  2. Step 2: Convert to fraction form
    14,521.17/21,783.06 = 5,636.30/x
  3. Step 3: Cross multiply
    14,521.17x = 21,783.06 × 5,636.30
  4. Step 4: Simplify right side
    14,521.17x = 122,775,752.16
  5. Step 5: Solve for x
    x = 122,775,752.16/14,521.17
  6. Step 6: Final answer
    x = 8,454.95

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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.