Home / 17,812.64-26,693.40-10,005.02

Finding the Fourth Proportional to 17,812.64, 26,693.40 and 10,005.02

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Solution

The fourth proportional to 17,812.64, 26,693.40 and 10,005.02 is: 14,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.64 : 26,693.40 = 10,005.02 : x
  2. Step 2: Convert to fraction form
    17,812.64/26,693.40 = 10,005.02/x
  3. Step 3: Cross multiply
    17,812.64x = 26,693.40 × 10,005.02
  4. Step 4: Simplify right side
    17,812.64x = 267,068,000.87
  5. Step 5: Solve for x
    x = 267,068,000.87/17,812.64
  6. Step 6: Final answer
    x = 14,993.17

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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.