Home / 15,635.16-21,580.38-10,607.76

Finding the Fourth Proportional to 15,635.16, 21,580.38 and 10,607.76

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Solution

The fourth proportional to 15,635.16, 21,580.38 and 10,607.76 is: 14,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.16 : 21,580.38 = 10,607.76 : x
  2. Step 2: Convert to fraction form
    15,635.16/21,580.38 = 10,607.76/x
  3. Step 3: Cross multiply
    15,635.16x = 21,580.38 × 10,607.76
  4. Step 4: Simplify right side
    15,635.16x = 228,919,491.75
  5. Step 5: Solve for x
    x = 228,919,491.75/15,635.16
  6. Step 6: Final answer
    x = 14,641.33

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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.