Home / 19,915.59-27,483.30-10,962.90

Finding the Fourth Proportional to 19,915.59, 27,483.30 and 10,962.90

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Solution

The fourth proportional to 19,915.59, 27,483.30 and 10,962.90 is: 15,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.59 : 27,483.30 = 10,962.90 : x
  2. Step 2: Convert to fraction form
    19,915.59/27,483.30 = 10,962.90/x
  3. Step 3: Cross multiply
    19,915.59x = 27,483.30 × 10,962.90
  4. Step 4: Simplify right side
    19,915.59x = 301,296,669.57
  5. Step 5: Solve for x
    x = 301,296,669.57/19,915.59
  6. Step 6: Final answer
    x = 15,128.68

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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.