Home / 19,984.68-29,915.58-12,562.92

Finding the Fourth Proportional to 19,984.68, 29,915.58 and 12,562.92

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Solution

The fourth proportional to 19,984.68, 29,915.58 and 12,562.92 is: 18,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.68 : 29,915.58 = 12,562.92 : x
  2. Step 2: Convert to fraction form
    19,984.68/29,915.58 = 12,562.92/x
  3. Step 3: Cross multiply
    19,984.68x = 29,915.58 × 12,562.92
  4. Step 4: Simplify right side
    19,984.68x = 375,827,038.29
  5. Step 5: Solve for x
    x = 375,827,038.29/19,984.68
  6. Step 6: Final answer
    x = 18,805.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.