Home / 13,026.38-17,985.30-8,317.04

Finding the Fourth Proportional to 13,026.38, 17,985.30 and 8,317.04

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Solution

The fourth proportional to 13,026.38, 17,985.30 and 8,317.04 is: 11,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.38 : 17,985.30 = 8,317.04 : x
  2. Step 2: Convert to fraction form
    13,026.38/17,985.30 = 8,317.04/x
  3. Step 3: Cross multiply
    13,026.38x = 17,985.30 × 8,317.04
  4. Step 4: Simplify right side
    13,026.38x = 149,584,459.51
  5. Step 5: Solve for x
    x = 149,584,459.51/13,026.38
  6. Step 6: Final answer
    x = 11,483.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.