Home / 13,160.46-19,740.77-5,263.64

Finding the Fourth Proportional to 13,160.46, 19,740.77 and 5,263.64

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Solution

The fourth proportional to 13,160.46, 19,740.77 and 5,263.64 is: 7,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.46 : 19,740.77 = 5,263.64 : x
  2. Step 2: Convert to fraction form
    13,160.46/19,740.77 = 5,263.64/x
  3. Step 3: Cross multiply
    13,160.46x = 19,740.77 × 5,263.64
  4. Step 4: Simplify right side
    13,160.46x = 103,908,221.06
  5. Step 5: Solve for x
    x = 103,908,221.06/13,160.46
  6. Step 6: Final answer
    x = 7,895.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.