Home / 10,620.24-14,607.22-8,519.76

Finding the Fourth Proportional to 10,620.24, 14,607.22 and 8,519.76

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Solution

The fourth proportional to 10,620.24, 14,607.22 and 8,519.76 is: 11,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.24 : 14,607.22 = 8,519.76 : x
  2. Step 2: Convert to fraction form
    10,620.24/14,607.22 = 8,519.76/x
  3. Step 3: Cross multiply
    10,620.24x = 14,607.22 × 8,519.76
  4. Step 4: Simplify right side
    10,620.24x = 124,450,008.67
  5. Step 5: Solve for x
    x = 124,450,008.67/10,620.24
  6. Step 6: Final answer
    x = 11,718.19

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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.