Home / 17,143.59-23,657.40-10,776.72

Finding the Fourth Proportional to 17,143.59, 23,657.40 and 10,776.72

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Solution

The fourth proportional to 17,143.59, 23,657.40 and 10,776.72 is: 14,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.59 : 23,657.40 = 10,776.72 : x
  2. Step 2: Convert to fraction form
    17,143.59/23,657.40 = 10,776.72/x
  3. Step 3: Cross multiply
    17,143.59x = 23,657.40 × 10,776.72
  4. Step 4: Simplify right side
    17,143.59x = 254,949,175.73
  5. Step 5: Solve for x
    x = 254,949,175.73/17,143.59
  6. Step 6: Final answer
    x = 14,871.40

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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.