Home / 19,132.64-28,681.68-6,817.76

Finding the Fourth Proportional to 19,132.64, 28,681.68 and 6,817.76

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Solution

The fourth proportional to 19,132.64, 28,681.68 and 6,817.76 is: 10,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.64 : 28,681.68 = 6,817.76 : x
  2. Step 2: Convert to fraction form
    19,132.64/28,681.68 = 6,817.76/x
  3. Step 3: Cross multiply
    19,132.64x = 28,681.68 × 6,817.76
  4. Step 4: Simplify right side
    19,132.64x = 195,544,810.64
  5. Step 5: Solve for x
    x = 195,544,810.64/19,132.64
  6. Step 6: Final answer
    x = 10,220.48

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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.