Home / 19,369.68-29,066.81-8,276.46

Finding the Fourth Proportional to 19,369.68, 29,066.81 and 8,276.46

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Solution

The fourth proportional to 19,369.68, 29,066.81 and 8,276.46 is: 12,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.68 : 29,066.81 = 8,276.46 : x
  2. Step 2: Convert to fraction form
    19,369.68/29,066.81 = 8,276.46/x
  3. Step 3: Cross multiply
    19,369.68x = 29,066.81 × 8,276.46
  4. Step 4: Simplify right side
    19,369.68x = 240,570,290.29
  5. Step 5: Solve for x
    x = 240,570,290.29/19,369.68
  6. Step 6: Final answer
    x = 12,419.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.