Home / 13,263.54-18,303.35-7,213.71

Finding the Fourth Proportional to 13,263.54, 18,303.35 and 7,213.71

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Solution

The fourth proportional to 13,263.54, 18,303.35 and 7,213.71 is: 9,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.54 : 18,303.35 = 7,213.71 : x
  2. Step 2: Convert to fraction form
    13,263.54/18,303.35 = 7,213.71/x
  3. Step 3: Cross multiply
    13,263.54x = 18,303.35 × 7,213.71
  4. Step 4: Simplify right side
    13,263.54x = 132,035,058.93
  5. Step 5: Solve for x
    x = 132,035,058.93/13,263.54
  6. Step 6: Final answer
    x = 9,954.74

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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.