Home / 18,987.09-26,202.26-10,373.39

Finding the Fourth Proportional to 18,987.09, 26,202.26 and 10,373.39

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Solution

The fourth proportional to 18,987.09, 26,202.26 and 10,373.39 is: 14,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.09 : 26,202.26 = 10,373.39 : x
  2. Step 2: Convert to fraction form
    18,987.09/26,202.26 = 10,373.39/x
  3. Step 3: Cross multiply
    18,987.09x = 26,202.26 × 10,373.39
  4. Step 4: Simplify right side
    18,987.09x = 271,806,261.86
  5. Step 5: Solve for x
    x = 271,806,261.86/18,987.09
  6. Step 6: Final answer
    x = 14,315.32

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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.