Home / 13,403.95-18,496.45-7,353.19

Finding the Fourth Proportional to 13,403.95, 18,496.45 and 7,353.19

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Solution

The fourth proportional to 13,403.95, 18,496.45 and 7,353.19 is: 10,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.95 : 18,496.45 = 7,353.19 : x
  2. Step 2: Convert to fraction form
    13,403.95/18,496.45 = 7,353.19/x
  3. Step 3: Cross multiply
    13,403.95x = 18,496.45 × 7,353.19
  4. Step 4: Simplify right side
    13,403.95x = 136,007,911.18
  5. Step 5: Solve for x
    x = 136,007,911.18/13,403.95
  6. Step 6: Final answer
    x = 10,146.85

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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.