Home / 17,890.40-26,835.60-11,345.60

Finding the Fourth Proportional to 17,890.40, 26,835.60 and 11,345.60

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Solution

The fourth proportional to 17,890.40, 26,835.60 and 11,345.60 is: 17,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.40 : 26,835.60 = 11,345.60 : x
  2. Step 2: Convert to fraction form
    17,890.40/26,835.60 = 11,345.60/x
  3. Step 3: Cross multiply
    17,890.40x = 26,835.60 × 11,345.60
  4. Step 4: Simplify right side
    17,890.40x = 304,465,983.36
  5. Step 5: Solve for x
    x = 304,465,983.36/17,890.40
  6. Step 6: Final answer
    x = 17,018.40

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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.