Home / 14,649.04-20,215.67-7,934.61

Finding the Fourth Proportional to 14,649.04, 20,215.67 and 7,934.61

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Solution

The fourth proportional to 14,649.04, 20,215.67 and 7,934.61 is: 10,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.04 : 20,215.67 = 7,934.61 : x
  2. Step 2: Convert to fraction form
    14,649.04/20,215.67 = 7,934.61/x
  3. Step 3: Cross multiply
    14,649.04x = 20,215.67 × 7,934.61
  4. Step 4: Simplify right side
    14,649.04x = 160,403,457.34
  5. Step 5: Solve for x
    x = 160,403,457.34/14,649.04
  6. Step 6: Final answer
    x = 10,949.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.