Home / 10,246.40-14,153.64-9,857.60

Finding the Fourth Proportional to 10,246.40, 14,153.64 and 9,857.60

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Solution

The fourth proportional to 10,246.40, 14,153.64 and 9,857.60 is: 13,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.40 : 14,153.64 = 9,857.60 : x
  2. Step 2: Convert to fraction form
    10,246.40/14,153.64 = 9,857.60/x
  3. Step 3: Cross multiply
    10,246.40x = 14,153.64 × 9,857.60
  4. Step 4: Simplify right side
    10,246.40x = 139,520,921.66
  5. Step 5: Solve for x
    x = 139,520,921.66/10,246.40
  6. Step 6: Final answer
    x = 13,616.58

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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.