Home / 15,633.99-21,574.91-8,560.37

Finding the Fourth Proportional to 15,633.99, 21,574.91 and 8,560.37

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Solution

The fourth proportional to 15,633.99, 21,574.91 and 8,560.37 is: 11,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.99 : 21,574.91 = 8,560.37 : x
  2. Step 2: Convert to fraction form
    15,633.99/21,574.91 = 8,560.37/x
  3. Step 3: Cross multiply
    15,633.99x = 21,574.91 × 8,560.37
  4. Step 4: Simplify right side
    15,633.99x = 184,689,061.64
  5. Step 5: Solve for x
    x = 184,689,061.64/15,633.99
  6. Step 6: Final answer
    x = 11,813.30

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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.