Home / 13,988.84-19,304.33-7,615.22

Finding the Fourth Proportional to 13,988.84, 19,304.33 and 7,615.22

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Solution

The fourth proportional to 13,988.84, 19,304.33 and 7,615.22 is: 10,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.84 : 19,304.33 = 7,615.22 : x
  2. Step 2: Convert to fraction form
    13,988.84/19,304.33 = 7,615.22/x
  3. Step 3: Cross multiply
    13,988.84x = 19,304.33 × 7,615.22
  4. Step 4: Simplify right side
    13,988.84x = 147,006,585.30
  5. Step 5: Solve for x
    x = 147,006,585.30/13,988.84
  6. Step 6: Final answer
    x = 10,508.85

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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.