Home / 15,686.20-23,529.30-9,465.40

Finding the Fourth Proportional to 15,686.20, 23,529.30 and 9,465.40

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Solution

The fourth proportional to 15,686.20, 23,529.30 and 9,465.40 is: 14,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.20 : 23,529.30 = 9,465.40 : x
  2. Step 2: Convert to fraction form
    15,686.20/23,529.30 = 9,465.40/x
  3. Step 3: Cross multiply
    15,686.20x = 23,529.30 × 9,465.40
  4. Step 4: Simplify right side
    15,686.20x = 222,714,236.22
  5. Step 5: Solve for x
    x = 222,714,236.22/15,686.20
  6. Step 6: Final answer
    x = 14,198.10

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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.