Home / 15,560.53-21,467.40-9,581.83

Finding the Fourth Proportional to 15,560.53, 21,467.40 and 9,581.83

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Solution

The fourth proportional to 15,560.53, 21,467.40 and 9,581.83 is: 13,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.53 : 21,467.40 = 9,581.83 : x
  2. Step 2: Convert to fraction form
    15,560.53/21,467.40 = 9,581.83/x
  3. Step 3: Cross multiply
    15,560.53x = 21,467.40 × 9,581.83
  4. Step 4: Simplify right side
    15,560.53x = 205,696,977.34
  5. Step 5: Solve for x
    x = 205,696,977.34/15,560.53
  6. Step 6: Final answer
    x = 13,219.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.