Home / 14,929.06-20,602.60-8,215.43

Finding the Fourth Proportional to 14,929.06, 20,602.60 and 8,215.43

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Solution

The fourth proportional to 14,929.06, 20,602.60 and 8,215.43 is: 11,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.06 : 20,602.60 = 8,215.43 : x
  2. Step 2: Convert to fraction form
    14,929.06/20,602.60 = 8,215.43/x
  3. Step 3: Cross multiply
    14,929.06x = 20,602.60 × 8,215.43
  4. Step 4: Simplify right side
    14,929.06x = 169,259,218.12
  5. Step 5: Solve for x
    x = 169,259,218.12/14,929.06
  6. Step 6: Final answer
    x = 11,337.57

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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.