Home / 15,633.32-21,573.98-8,559.76

Finding the Fourth Proportional to 15,633.32, 21,573.98 and 8,559.76

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Solution

The fourth proportional to 15,633.32, 21,573.98 and 8,559.76 is: 11,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.32 : 21,573.98 = 8,559.76 : x
  2. Step 2: Convert to fraction form
    15,633.32/21,573.98 = 8,559.76/x
  3. Step 3: Cross multiply
    15,633.32x = 21,573.98 × 8,559.76
  4. Step 4: Simplify right side
    15,633.32x = 184,668,091.04
  5. Step 5: Solve for x
    x = 184,668,091.04/15,633.32
  6. Step 6: Final answer
    x = 11,812.47

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Double scale
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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.