Home / 9,903.22-13,666.08-5,426.92

Finding the Fourth Proportional to 9,903.22, 13,666.08 and 5,426.92

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Solution

The fourth proportional to 9,903.22, 13,666.08 and 5,426.92 is: 7,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.22 : 13,666.08 = 5,426.92 : x
  2. Step 2: Convert to fraction form
    9,903.22/13,666.08 = 5,426.92/x
  3. Step 3: Cross multiply
    9,903.22x = 13,666.08 × 5,426.92
  4. Step 4: Simplify right side
    9,903.22x = 74,164,722.87
  5. Step 5: Solve for x
    x = 74,164,722.87/9,903.22
  6. Step 6: Final answer
    x = 7,488.95

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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.