Home / 19,731.57-29,586.95-13,493.35

Finding the Fourth Proportional to 19,731.57, 29,586.95 and 13,493.35

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Solution

The fourth proportional to 19,731.57, 29,586.95 and 13,493.35 is: 20,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.57 : 29,586.95 = 13,493.35 : x
  2. Step 2: Convert to fraction form
    19,731.57/29,586.95 = 13,493.35/x
  3. Step 3: Cross multiply
    19,731.57x = 29,586.95 × 13,493.35
  4. Step 4: Simplify right side
    19,731.57x = 399,227,071.78
  5. Step 5: Solve for x
    x = 399,227,071.78/19,731.57
  6. Step 6: Final answer
    x = 20,232.91

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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.