Home / 17,690.60-26,526.75-5,209.01

Finding the Fourth Proportional to 17,690.60, 26,526.75 and 5,209.01

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Solution

The fourth proportional to 17,690.60, 26,526.75 and 5,209.01 is: 7,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.60 : 26,526.75 = 5,209.01 : x
  2. Step 2: Convert to fraction form
    17,690.60/26,526.75 = 5,209.01/x
  3. Step 3: Cross multiply
    17,690.60x = 26,526.75 × 5,209.01
  4. Step 4: Simplify right side
    17,690.60x = 138,177,973.38
  5. Step 5: Solve for x
    x = 138,177,973.38/17,690.60
  6. Step 6: Final answer
    x = 7,810.82

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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.