Home / 15,039.76-22,661.16-12,464.52

Finding the Fourth Proportional to 15,039.76, 22,661.16 and 12,464.52

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Solution

The fourth proportional to 15,039.76, 22,661.16 and 12,464.52 is: 18,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.76 : 22,661.16 = 12,464.52 : x
  2. Step 2: Convert to fraction form
    15,039.76/22,661.16 = 12,464.52/x
  3. Step 3: Cross multiply
    15,039.76x = 22,661.16 × 12,464.52
  4. Step 4: Simplify right side
    15,039.76x = 282,460,482.04
  5. Step 5: Solve for x
    x = 282,460,482.04/15,039.76
  6. Step 6: Final answer
    x = 18,780.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.