Home / 13,291.34-19,937.49-4,525.12

Finding the Fourth Proportional to 13,291.34, 19,937.49 and 4,525.12

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Solution

The fourth proportional to 13,291.34, 19,937.49 and 4,525.12 is: 6,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.34 : 19,937.49 = 4,525.12 : x
  2. Step 2: Convert to fraction form
    13,291.34/19,937.49 = 4,525.12/x
  3. Step 3: Cross multiply
    13,291.34x = 19,937.49 × 4,525.12
  4. Step 4: Simplify right side
    13,291.34x = 90,219,534.75
  5. Step 5: Solve for x
    x = 90,219,534.75/13,291.34
  6. Step 6: Final answer
    x = 6,787.84

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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.