Home / 13,948.68-19,261.68-10,405.74

Finding the Fourth Proportional to 13,948.68, 19,261.68 and 10,405.74

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Solution

The fourth proportional to 13,948.68, 19,261.68 and 10,405.74 is: 14,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.68 : 19,261.68 = 10,405.74 : x
  2. Step 2: Convert to fraction form
    13,948.68/19,261.68 = 10,405.74/x
  3. Step 3: Cross multiply
    13,948.68x = 19,261.68 × 10,405.74
  4. Step 4: Simplify right side
    13,948.68x = 200,432,034.04
  5. Step 5: Solve for x
    x = 200,432,034.04/13,948.68
  6. Step 6: Final answer
    x = 14,369.25

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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.