Home / 13,746.17-18,969.66-7,458.55

Finding the Fourth Proportional to 13,746.17, 18,969.66 and 7,458.55

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Solution

The fourth proportional to 13,746.17, 18,969.66 and 7,458.55 is: 10,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.17 : 18,969.66 = 7,458.55 : x
  2. Step 2: Convert to fraction form
    13,746.17/18,969.66 = 7,458.55/x
  3. Step 3: Cross multiply
    13,746.17x = 18,969.66 × 7,458.55
  4. Step 4: Simplify right side
    13,746.17x = 141,486,110.17
  5. Step 5: Solve for x
    x = 141,486,110.17/13,746.17
  6. Step 6: Final answer
    x = 10,292.76

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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.