Home / 12,829.32-19,248.35-8,089.07

Finding the Fourth Proportional to 12,829.32, 19,248.35 and 8,089.07

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Solution

The fourth proportional to 12,829.32, 19,248.35 and 8,089.07 is: 12,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.32 : 19,248.35 = 8,089.07 : x
  2. Step 2: Convert to fraction form
    12,829.32/19,248.35 = 8,089.07/x
  3. Step 3: Cross multiply
    12,829.32x = 19,248.35 × 8,089.07
  4. Step 4: Simplify right side
    12,829.32x = 155,701,113.85
  5. Step 5: Solve for x
    x = 155,701,113.85/12,829.32
  6. Step 6: Final answer
    x = 12,136.35

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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.