Home / 21,485.42-32,214.15-9,013.44

Finding the Fourth Proportional to 21,485.42, 32,214.15 and 9,013.44

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Solution

The fourth proportional to 21,485.42, 32,214.15 and 9,013.44 is: 13,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.42 : 32,214.15 = 9,013.44 : x
  2. Step 2: Convert to fraction form
    21,485.42/32,214.15 = 9,013.44/x
  3. Step 3: Cross multiply
    21,485.42x = 32,214.15 × 9,013.44
  4. Step 4: Simplify right side
    21,485.42x = 290,360,308.18
  5. Step 5: Solve for x
    x = 290,360,308.18/21,485.42
  6. Step 6: Final answer
    x = 13,514.30

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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.