Home / 16,865.40-23,276.04-10,153.20

Finding the Fourth Proportional to 16,865.40, 23,276.04 and 10,153.20

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Solution

The fourth proportional to 16,865.40, 23,276.04 and 10,153.20 is: 14,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.40 : 23,276.04 = 10,153.20 : x
  2. Step 2: Convert to fraction form
    16,865.40/23,276.04 = 10,153.20/x
  3. Step 3: Cross multiply
    16,865.40x = 23,276.04 × 10,153.20
  4. Step 4: Simplify right side
    16,865.40x = 236,326,289.33
  5. Step 5: Solve for x
    x = 236,326,289.33/16,865.40
  6. Step 6: Final answer
    x = 14,012.49

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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.