Home / 16,913.40-23,349.87-10,200.72

Finding the Fourth Proportional to 16,913.40, 23,349.87 and 10,200.72

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Solution

The fourth proportional to 16,913.40, 23,349.87 and 10,200.72 is: 14,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.40 : 23,349.87 = 10,200.72 : x
  2. Step 2: Convert to fraction form
    16,913.40/23,349.87 = 10,200.72/x
  3. Step 3: Cross multiply
    16,913.40x = 23,349.87 × 10,200.72
  4. Step 4: Simplify right side
    16,913.40x = 238,185,485.91
  5. Step 5: Solve for x
    x = 238,185,485.91/16,913.40
  6. Step 6: Final answer
    x = 14,082.65

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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.