Home / 18,987.64-26,202.48-10,490.47

Finding the Fourth Proportional to 18,987.64, 26,202.48 and 10,490.47

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Solution

The fourth proportional to 18,987.64, 26,202.48 and 10,490.47 is: 14,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.64 : 26,202.48 = 10,490.47 : x
  2. Step 2: Convert to fraction form
    18,987.64/26,202.48 = 10,490.47/x
  3. Step 3: Cross multiply
    18,987.64x = 26,202.48 × 10,490.47
  4. Step 4: Simplify right side
    18,987.64x = 274,876,330.37
  5. Step 5: Solve for x
    x = 274,876,330.37/18,987.64
  6. Step 6: Final answer
    x = 14,476.59

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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.