Home / 8,756.04-13,066.77-7,821.84

Finding the Fourth Proportional to 8,756.04, 13,066.77 and 7,821.84

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Solution

The fourth proportional to 8,756.04, 13,066.77 and 7,821.84 is: 11,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.04 : 13,066.77 = 7,821.84 : x
  2. Step 2: Convert to fraction form
    8,756.04/13,066.77 = 7,821.84/x
  3. Step 3: Cross multiply
    8,756.04x = 13,066.77 × 7,821.84
  4. Step 4: Simplify right side
    8,756.04x = 102,206,184.26
  5. Step 5: Solve for x
    x = 102,206,184.26/8,756.04
  6. Step 6: Final answer
    x = 11,672.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.