Home / 21,886.32-32,798.73-12,512.28

Finding the Fourth Proportional to 21,886.32, 32,798.73 and 12,512.28

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Solution

The fourth proportional to 21,886.32, 32,798.73 and 12,512.28 is: 18,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886.32 : 32,798.73 = 12,512.28 : x
  2. Step 2: Convert to fraction form
    21,886.32/32,798.73 = 12,512.28/x
  3. Step 3: Cross multiply
    21,886.32x = 32,798.73 × 12,512.28
  4. Step 4: Simplify right side
    21,886.32x = 410,386,893.40
  5. Step 5: Solve for x
    x = 410,386,893.40/21,886.32
  6. Step 6: Final answer
    x = 18,750.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.