Home / 15,417.54-23,127.66-6,652.80

Finding the Fourth Proportional to 15,417.54, 23,127.66 and 6,652.80

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Solution

The fourth proportional to 15,417.54, 23,127.66 and 6,652.80 is: 9,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.54 : 23,127.66 = 6,652.80 : x
  2. Step 2: Convert to fraction form
    15,417.54/23,127.66 = 6,652.80/x
  3. Step 3: Cross multiply
    15,417.54x = 23,127.66 × 6,652.80
  4. Step 4: Simplify right side
    15,417.54x = 153,863,696.45
  5. Step 5: Solve for x
    x = 153,863,696.45/15,417.54
  6. Step 6: Final answer
    x = 9,979.78

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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.