Home / 13,263.48-18,313.74-9,943.92

Finding the Fourth Proportional to 13,263.48, 18,313.74 and 9,943.92

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Solution

The fourth proportional to 13,263.48, 18,313.74 and 9,943.92 is: 13,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.48 : 18,313.74 = 9,943.92 : x
  2. Step 2: Convert to fraction form
    13,263.48/18,313.74 = 9,943.92/x
  3. Step 3: Cross multiply
    13,263.48x = 18,313.74 × 9,943.92
  4. Step 4: Simplify right side
    13,263.48x = 182,110,365.46
  5. Step 5: Solve for x
    x = 182,110,365.46/13,263.48
  6. Step 6: Final answer
    x = 13,730.21

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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.