Home / 23,985.90-33,100.68-13,376.20

Finding the Fourth Proportional to 23,985.90, 33,100.68 and 13,376.20

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Solution

The fourth proportional to 23,985.90, 33,100.68 and 13,376.20 is: 18,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.90 : 33,100.68 = 13,376.20 : x
  2. Step 2: Convert to fraction form
    23,985.90/33,100.68 = 13,376.20/x
  3. Step 3: Cross multiply
    23,985.90x = 33,100.68 × 13,376.20
  4. Step 4: Simplify right side
    23,985.90x = 442,761,315.82
  5. Step 5: Solve for x
    x = 442,761,315.82/23,985.90
  6. Step 6: Final answer
    x = 18,459.23

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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.