Home / 15,633.50-21,574.78-8,559.98

Finding the Fourth Proportional to 15,633.50, 21,574.78 and 8,559.98

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Solution

The fourth proportional to 15,633.50, 21,574.78 and 8,559.98 is: 11,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.50 : 21,574.78 = 8,559.98 : x
  2. Step 2: Convert to fraction form
    15,633.50/21,574.78 = 8,559.98/x
  3. Step 3: Cross multiply
    15,633.50x = 21,574.78 × 8,559.98
  4. Step 4: Simplify right side
    15,633.50x = 184,679,685.30
  5. Step 5: Solve for x
    x = 184,679,685.30/15,633.50
  6. Step 6: Final answer
    x = 11,813.07

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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.