Home / 15,606.84-21,533.10-9,316.92

Finding the Fourth Proportional to 15,606.84, 21,533.10 and 9,316.92

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Solution

The fourth proportional to 15,606.84, 21,533.10 and 9,316.92 is: 12,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.84 : 21,533.10 = 9,316.92 : x
  2. Step 2: Convert to fraction form
    15,606.84/21,533.10 = 9,316.92/x
  3. Step 3: Cross multiply
    15,606.84x = 21,533.10 × 9,316.92
  4. Step 4: Simplify right side
    15,606.84x = 200,622,170.05
  5. Step 5: Solve for x
    x = 200,622,170.05/15,606.84
  6. Step 6: Final answer
    x = 12,854.76

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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.