Home / 10,247.44-14,206.64-9,887.08

Finding the Fourth Proportional to 10,247.44, 14,206.64 and 9,887.08

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Solution

The fourth proportional to 10,247.44, 14,206.64 and 9,887.08 is: 13,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.44 : 14,206.64 = 9,887.08 : x
  2. Step 2: Convert to fraction form
    10,247.44/14,206.64 = 9,887.08/x
  3. Step 3: Cross multiply
    10,247.44x = 14,206.64 × 9,887.08
  4. Step 4: Simplify right side
    10,247.44x = 140,462,186.21
  5. Step 5: Solve for x
    x = 140,462,186.21/10,247.44
  6. Step 6: Final answer
    x = 13,707.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.