Home / 15,827.10-23,758.56-9,987

Finding the Fourth Proportional to 15,827.10, 23,758.56 and 9,987

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Solution

The fourth proportional to 15,827.10, 23,758.56 and 9,987 is: 14,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.10 : 23,758.56 = 9,987 : x
  2. Step 2: Convert to fraction form
    15,827.10/23,758.56 = 9,987/x
  3. Step 3: Cross multiply
    15,827.10x = 23,758.56 × 9,987
  4. Step 4: Simplify right side
    15,827.10x = 237,276,738.72
  5. Step 5: Solve for x
    x = 237,276,738.72/15,827.10
  6. Step 6: Final answer
    x = 14,991.80

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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.