Home / 16,898.40-23,321.48-9,345.30

Finding the Fourth Proportional to 16,898.40, 23,321.48 and 9,345.30

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Solution

The fourth proportional to 16,898.40, 23,321.48 and 9,345.30 is: 12,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.40 : 23,321.48 = 9,345.30 : x
  2. Step 2: Convert to fraction form
    16,898.40/23,321.48 = 9,345.30/x
  3. Step 3: Cross multiply
    16,898.40x = 23,321.48 × 9,345.30
  4. Step 4: Simplify right side
    16,898.40x = 217,946,180.32
  5. Step 5: Solve for x
    x = 217,946,180.32/16,898.40
  6. Step 6: Final answer
    x = 12,897.44

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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.