Home / 12,392.84-18,594.71-5,011.70

Finding the Fourth Proportional to 12,392.84, 18,594.71 and 5,011.70

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Solution

The fourth proportional to 12,392.84, 18,594.71 and 5,011.70 is: 7,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.84 : 18,594.71 = 5,011.70 : x
  2. Step 2: Convert to fraction form
    12,392.84/18,594.71 = 5,011.70/x
  3. Step 3: Cross multiply
    12,392.84x = 18,594.71 × 5,011.70
  4. Step 4: Simplify right side
    12,392.84x = 93,191,108.11
  5. Step 5: Solve for x
    x = 93,191,108.11/12,392.84
  6. Step 6: Final answer
    x = 7,519.75

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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.