Home / 13,769.64-19,002.09-7,482

Finding the Fourth Proportional to 13,769.64, 19,002.09 and 7,482

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Solution

The fourth proportional to 13,769.64, 19,002.09 and 7,482 is: 10,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.64 : 19,002.09 = 7,482 : x
  2. Step 2: Convert to fraction form
    13,769.64/19,002.09 = 7,482/x
  3. Step 3: Cross multiply
    13,769.64x = 19,002.09 × 7,482
  4. Step 4: Simplify right side
    13,769.64x = 142,173,637.38
  5. Step 5: Solve for x
    x = 142,173,637.38/13,769.64
  6. Step 6: Final answer
    x = 10,325.15

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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.