Home / 17,638.39-26,457.65-7,105.26

Finding the Fourth Proportional to 17,638.39, 26,457.65 and 7,105.26

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Solution

The fourth proportional to 17,638.39, 26,457.65 and 7,105.26 is: 10,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.39 : 26,457.65 = 7,105.26 : x
  2. Step 2: Convert to fraction form
    17,638.39/26,457.65 = 7,105.26/x
  3. Step 3: Cross multiply
    17,638.39x = 26,457.65 × 7,105.26
  4. Step 4: Simplify right side
    17,638.39x = 187,988,482.24
  5. Step 5: Solve for x
    x = 187,988,482.24/17,638.39
  6. Step 6: Final answer
    x = 10,657.92

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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.