Home / 13,089.84-19,630.80-10,126.32

Finding the Fourth Proportional to 13,089.84, 19,630.80 and 10,126.32

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Solution

The fourth proportional to 13,089.84, 19,630.80 and 10,126.32 is: 15,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.84 : 19,630.80 = 10,126.32 : x
  2. Step 2: Convert to fraction form
    13,089.84/19,630.80 = 10,126.32/x
  3. Step 3: Cross multiply
    13,089.84x = 19,630.80 × 10,126.32
  4. Step 4: Simplify right side
    13,089.84x = 198,787,762.66
  5. Step 5: Solve for x
    x = 198,787,762.66/13,089.84
  6. Step 6: Final answer
    x = 15,186.42

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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.