Home / 15,266.03-21,068.69-8,805.92

Finding the Fourth Proportional to 15,266.03, 21,068.69 and 8,805.92

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Solution

The fourth proportional to 15,266.03, 21,068.69 and 8,805.92 is: 12,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.03 : 21,068.69 = 8,805.92 : x
  2. Step 2: Convert to fraction form
    15,266.03/21,068.69 = 8,805.92/x
  3. Step 3: Cross multiply
    15,266.03x = 21,068.69 × 8,805.92
  4. Step 4: Simplify right side
    15,266.03x = 185,529,198.64
  5. Step 5: Solve for x
    x = 185,529,198.64/15,266.03
  6. Step 6: Final answer
    x = 12,153.07

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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.