Home / 13,020.61-19,557.36-11,495.20

Finding the Fourth Proportional to 13,020.61, 19,557.36 and 11,495.20

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Solution

The fourth proportional to 13,020.61, 19,557.36 and 11,495.20 is: 17,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.61 : 19,557.36 = 11,495.20 : x
  2. Step 2: Convert to fraction form
    13,020.61/19,557.36 = 11,495.20/x
  3. Step 3: Cross multiply
    13,020.61x = 19,557.36 × 11,495.20
  4. Step 4: Simplify right side
    13,020.61x = 224,815,764.67
  5. Step 5: Solve for x
    x = 224,815,764.67/13,020.61
  6. Step 6: Final answer
    x = 17,266.15

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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.