Home / 18,886.32-26,063.69-10,388.00

Finding the Fourth Proportional to 18,886.32, 26,063.69 and 10,388.00

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Solution

The fourth proportional to 18,886.32, 26,063.69 and 10,388.00 is: 14,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.32 : 26,063.69 = 10,388.00 : x
  2. Step 2: Convert to fraction form
    18,886.32/26,063.69 = 10,388.00/x
  3. Step 3: Cross multiply
    18,886.32x = 26,063.69 × 10,388.00
  4. Step 4: Simplify right side
    18,886.32x = 270,749,429.46
  5. Step 5: Solve for x
    x = 270,749,429.46/18,886.32
  6. Step 6: Final answer
    x = 14,335.74

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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.