Home / 13,988.98-19,304.73-7,701.35

Finding the Fourth Proportional to 13,988.98, 19,304.73 and 7,701.35

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Solution

The fourth proportional to 13,988.98, 19,304.73 and 7,701.35 is: 10,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.98 : 19,304.73 = 7,701.35 : x
  2. Step 2: Convert to fraction form
    13,988.98/19,304.73 = 7,701.35/x
  3. Step 3: Cross multiply
    13,988.98x = 19,304.73 × 7,701.35
  4. Step 4: Simplify right side
    13,988.98x = 148,672,482.39
  5. Step 5: Solve for x
    x = 148,672,482.39/13,988.98
  6. Step 6: Final answer
    x = 10,627.83

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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.