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Finding the Fourth Proportional to 8,952.51, 13,338.81 and 8,449.50

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Solution

The fourth proportional to 8,952.51, 13,338.81 and 8,449.50 is: 12,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.51 : 13,338.81 = 8,449.50 : x
  2. Step 2: Convert to fraction form
    8,952.51/13,338.81 = 8,449.50/x
  3. Step 3: Cross multiply
    8,952.51x = 13,338.81 × 8,449.50
  4. Step 4: Simplify right side
    8,952.51x = 112,706,275.10
  5. Step 5: Solve for x
    x = 112,706,275.10/8,952.51
  6. Step 6: Final answer
    x = 12,589.35

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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.