Home / 17,883.90-26,815.40-5,400.18

Finding the Fourth Proportional to 17,883.90, 26,815.40 and 5,400.18

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Solution

The fourth proportional to 17,883.90, 26,815.40 and 5,400.18 is: 8,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,883.90 : 26,815.40 = 5,400.18 : x
  2. Step 2: Convert to fraction form
    17,883.90/26,815.40 = 5,400.18/x
  3. Step 3: Cross multiply
    17,883.90x = 26,815.40 × 5,400.18
  4. Step 4: Simplify right side
    17,883.90x = 144,807,980.02
  5. Step 5: Solve for x
    x = 144,807,980.02/17,883.90
  6. Step 6: Final answer
    x = 8,097.11

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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.