Home / 15,648.12-23,461.79-8,631.50

Finding the Fourth Proportional to 15,648.12, 23,461.79 and 8,631.50

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Solution

The fourth proportional to 15,648.12, 23,461.79 and 8,631.50 is: 12,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.12 : 23,461.79 = 8,631.50 : x
  2. Step 2: Convert to fraction form
    15,648.12/23,461.79 = 8,631.50/x
  3. Step 3: Cross multiply
    15,648.12x = 23,461.79 × 8,631.50
  4. Step 4: Simplify right side
    15,648.12x = 202,510,279.92
  5. Step 5: Solve for x
    x = 202,510,279.92/15,648.12
  6. Step 6: Final answer
    x = 12,941.51

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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.