Home / 15,132.69-22,712.40-8,118.63

Finding the Fourth Proportional to 15,132.69, 22,712.40 and 8,118.63

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Solution

The fourth proportional to 15,132.69, 22,712.40 and 8,118.63 is: 12,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.69 : 22,712.40 = 8,118.63 : x
  2. Step 2: Convert to fraction form
    15,132.69/22,712.40 = 8,118.63/x
  3. Step 3: Cross multiply
    15,132.69x = 22,712.40 × 8,118.63
  4. Step 4: Simplify right side
    15,132.69x = 184,393,572.01
  5. Step 5: Solve for x
    x = 184,393,572.01/15,132.69
  6. Step 6: Final answer
    x = 12,185.12

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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.