Home / 18,863.47-26,036.40-10,904.68

Finding the Fourth Proportional to 18,863.47, 26,036.40 and 10,904.68

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Solution

The fourth proportional to 18,863.47, 26,036.40 and 10,904.68 is: 15,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.47 : 26,036.40 = 10,904.68 : x
  2. Step 2: Convert to fraction form
    18,863.47/26,036.40 = 10,904.68/x
  3. Step 3: Cross multiply
    18,863.47x = 26,036.40 × 10,904.68
  4. Step 4: Simplify right side
    18,863.47x = 283,918,610.35
  5. Step 5: Solve for x
    x = 283,918,610.35/18,863.47
  6. Step 6: Final answer
    x = 15,051.24

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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.