Home / 16,904.32-23,315.20-10,182.40

Finding the Fourth Proportional to 16,904.32, 23,315.20 and 10,182.40

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Solution

The fourth proportional to 16,904.32, 23,315.20 and 10,182.40 is: 14,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.32 : 23,315.20 = 10,182.40 : x
  2. Step 2: Convert to fraction form
    16,904.32/23,315.20 = 10,182.40/x
  3. Step 3: Cross multiply
    16,904.32x = 23,315.20 × 10,182.40
  4. Step 4: Simplify right side
    16,904.32x = 237,404,692.48
  5. Step 5: Solve for x
    x = 237,404,692.48/16,904.32
  6. Step 6: Final answer
    x = 14,044.02

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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.