Home / 15,586.08-21,500.76-10,550.52

Finding the Fourth Proportional to 15,586.08, 21,500.76 and 10,550.52

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Solution

The fourth proportional to 15,586.08, 21,500.76 and 10,550.52 is: 14,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.08 : 21,500.76 = 10,550.52 : x
  2. Step 2: Convert to fraction form
    15,586.08/21,500.76 = 10,550.52/x
  3. Step 3: Cross multiply
    15,586.08x = 21,500.76 × 10,550.52
  4. Step 4: Simplify right side
    15,586.08x = 226,844,198.40
  5. Step 5: Solve for x
    x = 226,844,198.40/15,586.08
  6. Step 6: Final answer
    x = 14,554.28

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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.