Home / 15,591.26-21,516.36-9,307.28

Finding the Fourth Proportional to 15,591.26, 21,516.36 and 9,307.28

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Solution

The fourth proportional to 15,591.26, 21,516.36 and 9,307.28 is: 12,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,591.26 : 21,516.36 = 9,307.28 : x
  2. Step 2: Convert to fraction form
    15,591.26/21,516.36 = 9,307.28/x
  3. Step 3: Cross multiply
    15,591.26x = 21,516.36 × 9,307.28
  4. Step 4: Simplify right side
    15,591.26x = 200,258,787.10
  5. Step 5: Solve for x
    x = 200,258,787.10/15,591.26
  6. Step 6: Final answer
    x = 12,844.30

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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.