Home / 15,896.45-21,925.28-11,116.64

Finding the Fourth Proportional to 15,896.45, 21,925.28 and 11,116.64

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Solution

The fourth proportional to 15,896.45, 21,925.28 and 11,116.64 is: 15,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.45 : 21,925.28 = 11,116.64 : x
  2. Step 2: Convert to fraction form
    15,896.45/21,925.28 = 11,116.64/x
  3. Step 3: Cross multiply
    15,896.45x = 21,925.28 × 11,116.64
  4. Step 4: Simplify right side
    15,896.45x = 243,735,527.26
  5. Step 5: Solve for x
    x = 243,735,527.26/15,896.45
  6. Step 6: Final answer
    x = 15,332.70

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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.