Home / 17,638.36-26,460.02-5,159.35

Finding the Fourth Proportional to 17,638.36, 26,460.02 and 5,159.35

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Solution

The fourth proportional to 17,638.36, 26,460.02 and 5,159.35 is: 7,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.36 : 26,460.02 = 5,159.35 : x
  2. Step 2: Convert to fraction form
    17,638.36/26,460.02 = 5,159.35/x
  3. Step 3: Cross multiply
    17,638.36x = 26,460.02 × 5,159.35
  4. Step 4: Simplify right side
    17,638.36x = 136,516,372.30
  5. Step 5: Solve for x
    x = 136,516,372.30/17,638.36
  6. Step 6: Final answer
    x = 7,739.74

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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.