Home / 13,063.24-19,574.70-7,787.80

Finding the Fourth Proportional to 13,063.24, 19,574.70 and 7,787.80

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Solution

The fourth proportional to 13,063.24, 19,574.70 and 7,787.80 is: 11,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.24 : 19,574.70 = 7,787.80 : x
  2. Step 2: Convert to fraction form
    13,063.24/19,574.70 = 7,787.80/x
  3. Step 3: Cross multiply
    13,063.24x = 19,574.70 × 7,787.80
  4. Step 4: Simplify right side
    13,063.24x = 152,443,848.66
  5. Step 5: Solve for x
    x = 152,443,848.66/13,063.24
  6. Step 6: Final answer
    x = 11,669.68

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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.