Home / 15,540.40-23,277.69-12,566.08

Finding the Fourth Proportional to 15,540.40, 23,277.69 and 12,566.08

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Solution

The fourth proportional to 15,540.40, 23,277.69 and 12,566.08 is: 18,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.40 : 23,277.69 = 12,566.08 : x
  2. Step 2: Convert to fraction form
    15,540.40/23,277.69 = 12,566.08/x
  3. Step 3: Cross multiply
    15,540.40x = 23,277.69 × 12,566.08
  4. Step 4: Simplify right side
    15,540.40x = 292,509,314.76
  5. Step 5: Solve for x
    x = 292,509,314.76/15,540.40
  6. Step 6: Final answer
    x = 18,822.51

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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.