Home / 14,839.83-20,478.19-8,124.18

Finding the Fourth Proportional to 14,839.83, 20,478.19 and 8,124.18

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Solution

The fourth proportional to 14,839.83, 20,478.19 and 8,124.18 is: 11,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.83 : 20,478.19 = 8,124.18 : x
  2. Step 2: Convert to fraction form
    14,839.83/20,478.19 = 8,124.18/x
  3. Step 3: Cross multiply
    14,839.83x = 20,478.19 × 8,124.18
  4. Step 4: Simplify right side
    14,839.83x = 166,368,501.63
  5. Step 5: Solve for x
    x = 166,368,501.63/14,839.83
  6. Step 6: Final answer
    x = 11,210.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.