Home / 21,460.06-32,186.40-5,877.64

Finding the Fourth Proportional to 21,460.06, 32,186.40 and 5,877.64

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Solution

The fourth proportional to 21,460.06, 32,186.40 and 5,877.64 is: 8,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.06 : 32,186.40 = 5,877.64 : x
  2. Step 2: Convert to fraction form
    21,460.06/32,186.40 = 5,877.64/x
  3. Step 3: Cross multiply
    21,460.06x = 32,186.40 × 5,877.64
  4. Step 4: Simplify right side
    21,460.06x = 189,180,072.10
  5. Step 5: Solve for x
    x = 189,180,072.10/21,460.06
  6. Step 6: Final answer
    x = 8,815.45

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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.