Home / 16,857.60-23,263.56-9,303.80

Finding the Fourth Proportional to 16,857.60, 23,263.56 and 9,303.80

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Solution

The fourth proportional to 16,857.60, 23,263.56 and 9,303.80 is: 12,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.60 : 23,263.56 = 9,303.80 : x
  2. Step 2: Convert to fraction form
    16,857.60/23,263.56 = 9,303.80/x
  3. Step 3: Cross multiply
    16,857.60x = 23,263.56 × 9,303.80
  4. Step 4: Simplify right side
    16,857.60x = 216,439,509.53
  5. Step 5: Solve for x
    x = 216,439,509.53/16,857.60
  6. Step 6: Final answer
    x = 12,839.28

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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.