Home / 13,442.63-18,550.59-7,473.53

Finding the Fourth Proportional to 13,442.63, 18,550.59 and 7,473.53

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Solution

The fourth proportional to 13,442.63, 18,550.59 and 7,473.53 is: 10,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.63 : 18,550.59 = 7,473.53 : x
  2. Step 2: Convert to fraction form
    13,442.63/18,550.59 = 7,473.53/x
  3. Step 3: Cross multiply
    13,442.63x = 18,550.59 × 7,473.53
  4. Step 4: Simplify right side
    13,442.63x = 138,638,298.13
  5. Step 5: Solve for x
    x = 138,638,298.13/13,442.63
  6. Step 6: Final answer
    x = 10,313.34

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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.