Home / 15,824.12-21,837.04-8,750.38

Finding the Fourth Proportional to 15,824.12, 21,837.04 and 8,750.38

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Solution

The fourth proportional to 15,824.12, 21,837.04 and 8,750.38 is: 12,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.12 : 21,837.04 = 8,750.38 : x
  2. Step 2: Convert to fraction form
    15,824.12/21,837.04 = 8,750.38/x
  3. Step 3: Cross multiply
    15,824.12x = 21,837.04 × 8,750.38
  4. Step 4: Simplify right side
    15,824.12x = 191,082,398.08
  5. Step 5: Solve for x
    x = 191,082,398.08/15,824.12
  6. Step 6: Final answer
    x = 12,075.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.