Home / 21,357.42-32,036.13-9,670.64

Finding the Fourth Proportional to 21,357.42, 32,036.13 and 9,670.64

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Solution

The fourth proportional to 21,357.42, 32,036.13 and 9,670.64 is: 14,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.42 : 32,036.13 = 9,670.64 : x
  2. Step 2: Convert to fraction form
    21,357.42/32,036.13 = 9,670.64/x
  3. Step 3: Cross multiply
    21,357.42x = 32,036.13 × 9,670.64
  4. Step 4: Simplify right side
    21,357.42x = 309,809,927.44
  5. Step 5: Solve for x
    x = 309,809,927.44/21,357.42
  6. Step 6: Final answer
    x = 14,505.96

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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.