Home / 19,316.34-28,985.04-12,745.62

Finding the Fourth Proportional to 19,316.34, 28,985.04 and 12,745.62

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Solution

The fourth proportional to 19,316.34, 28,985.04 and 12,745.62 is: 19,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.34 : 28,985.04 = 12,745.62 : x
  2. Step 2: Convert to fraction form
    19,316.34/28,985.04 = 12,745.62/x
  3. Step 3: Cross multiply
    19,316.34x = 28,985.04 × 12,745.62
  4. Step 4: Simplify right side
    19,316.34x = 369,432,305.52
  5. Step 5: Solve for x
    x = 369,432,305.52/19,316.34
  6. Step 6: Final answer
    x = 19,125.38

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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.