Home / 16,904.64-23,330.40-9,451.20

Finding the Fourth Proportional to 16,904.64, 23,330.40 and 9,451.20

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Solution

The fourth proportional to 16,904.64, 23,330.40 and 9,451.20 is: 13,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.64 : 23,330.40 = 9,451.20 : x
  2. Step 2: Convert to fraction form
    16,904.64/23,330.40 = 9,451.20/x
  3. Step 3: Cross multiply
    16,904.64x = 23,330.40 × 9,451.20
  4. Step 4: Simplify right side
    16,904.64x = 220,500,276.48
  5. Step 5: Solve for x
    x = 220,500,276.48/16,904.64
  6. Step 6: Final answer
    x = 13,043.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.