Home / 15,616.16-21,558.12-10,606.88

Finding the Fourth Proportional to 15,616.16, 21,558.12 and 10,606.88

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Solution

The fourth proportional to 15,616.16, 21,558.12 and 10,606.88 is: 14,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.16 : 21,558.12 = 10,606.88 : x
  2. Step 2: Convert to fraction form
    15,616.16/21,558.12 = 10,606.88/x
  3. Step 3: Cross multiply
    15,616.16x = 21,558.12 × 10,606.88
  4. Step 4: Simplify right side
    15,616.16x = 228,664,391.87
  5. Step 5: Solve for x
    x = 228,664,391.87/15,616.16
  6. Step 6: Final answer
    x = 14,642.81

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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.