Home / 15,676.05-21,632.85-8,602.50

Finding the Fourth Proportional to 15,676.05, 21,632.85 and 8,602.50

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Solution

The fourth proportional to 15,676.05, 21,632.85 and 8,602.50 is: 11,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.05 : 21,632.85 = 8,602.50 : x
  2. Step 2: Convert to fraction form
    15,676.05/21,632.85 = 8,602.50/x
  3. Step 3: Cross multiply
    15,676.05x = 21,632.85 × 8,602.50
  4. Step 4: Simplify right side
    15,676.05x = 186,096,592.13
  5. Step 5: Solve for x
    x = 186,096,592.13/15,676.05
  6. Step 6: Final answer
    x = 11,871.40

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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.