Home / 21,437.18-32,150.57-8,950.42

Finding the Fourth Proportional to 21,437.18, 32,150.57 and 8,950.42

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Solution

The fourth proportional to 21,437.18, 32,150.57 and 8,950.42 is: 13,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.18 : 32,150.57 = 8,950.42 : x
  2. Step 2: Convert to fraction form
    21,437.18/32,150.57 = 8,950.42/x
  3. Step 3: Cross multiply
    21,437.18x = 32,150.57 × 8,950.42
  4. Step 4: Simplify right side
    21,437.18x = 287,760,899.23
  5. Step 5: Solve for x
    x = 287,760,899.23/21,437.18
  6. Step 6: Final answer
    x = 13,423.45

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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.