Home / 17,638.68-26,460.48-5,159.60

Finding the Fourth Proportional to 17,638.68, 26,460.48 and 5,159.60

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Solution

The fourth proportional to 17,638.68, 26,460.48 and 5,159.60 is: 7,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.68 : 26,460.48 = 5,159.60 : x
  2. Step 2: Convert to fraction form
    17,638.68/26,460.48 = 5,159.60/x
  3. Step 3: Cross multiply
    17,638.68x = 26,460.48 × 5,159.60
  4. Step 4: Simplify right side
    17,638.68x = 136,525,492.61
  5. Step 5: Solve for x
    x = 136,525,492.61/17,638.68
  6. Step 6: Final answer
    x = 7,740.12

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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.