Home / 15,638.30-21,572.78-10,600.82

Finding the Fourth Proportional to 15,638.30, 21,572.78 and 10,600.82

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Solution

The fourth proportional to 15,638.30, 21,572.78 and 10,600.82 is: 14,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.30 : 21,572.78 = 10,600.82 : x
  2. Step 2: Convert to fraction form
    15,638.30/21,572.78 = 10,600.82/x
  3. Step 3: Cross multiply
    15,638.30x = 21,572.78 × 10,600.82
  4. Step 4: Simplify right side
    15,638.30x = 228,688,996.81
  5. Step 5: Solve for x
    x = 228,688,996.81/15,638.30
  6. Step 6: Final answer
    x = 14,623.65

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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.