Home / 13,366.86-18,446.00-7,398.18

Finding the Fourth Proportional to 13,366.86, 18,446.00 and 7,398.18

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Solution

The fourth proportional to 13,366.86, 18,446.00 and 7,398.18 is: 10,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.86 : 18,446.00 = 7,398.18 : x
  2. Step 2: Convert to fraction form
    13,366.86/18,446.00 = 7,398.18/x
  3. Step 3: Cross multiply
    13,366.86x = 18,446.00 × 7,398.18
  4. Step 4: Simplify right side
    13,366.86x = 136,466,699.06
  5. Step 5: Solve for x
    x = 136,466,699.06/13,366.86
  6. Step 6: Final answer
    x = 10,209.33

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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.