Home / 13,915.42-19,205.74-10,552.56

Finding the Fourth Proportional to 13,915.42, 19,205.74 and 10,552.56

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Solution

The fourth proportional to 13,915.42, 19,205.74 and 10,552.56 is: 14,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.42 : 19,205.74 = 10,552.56 : x
  2. Step 2: Convert to fraction form
    13,915.42/19,205.74 = 10,552.56/x
  3. Step 3: Cross multiply
    13,915.42x = 19,205.74 × 10,552.56
  4. Step 4: Simplify right side
    13,915.42x = 202,669,723.69
  5. Step 5: Solve for x
    x = 202,669,723.69/13,915.42
  6. Step 6: Final answer
    x = 14,564.40

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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.