Home / 13,263.29-18,303.37-7,294.84

Finding the Fourth Proportional to 13,263.29, 18,303.37 and 7,294.84

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Solution

The fourth proportional to 13,263.29, 18,303.37 and 7,294.84 is: 10,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.29 : 18,303.37 = 7,294.84 : x
  2. Step 2: Convert to fraction form
    13,263.29/18,303.37 = 7,294.84/x
  3. Step 3: Cross multiply
    13,263.29x = 18,303.37 × 7,294.84
  4. Step 4: Simplify right side
    13,263.29x = 133,520,091.62
  5. Step 5: Solve for x
    x = 133,520,091.62/13,263.29
  6. Step 6: Final answer
    x = 10,066.89

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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.