Home / 12,748.78-17,550.23-10,507.11

Finding the Fourth Proportional to 12,748.78, 17,550.23 and 10,507.11

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Solution

The fourth proportional to 12,748.78, 17,550.23 and 10,507.11 is: 14,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.78 : 17,550.23 = 10,507.11 : x
  2. Step 2: Convert to fraction form
    12,748.78/17,550.23 = 10,507.11/x
  3. Step 3: Cross multiply
    12,748.78x = 17,550.23 × 10,507.11
  4. Step 4: Simplify right side
    12,748.78x = 184,402,197.14
  5. Step 5: Solve for x
    x = 184,402,197.14/12,748.78
  6. Step 6: Final answer
    x = 14,464.30

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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.