Home / 15,539.57-21,452.55-10,530.26

Finding the Fourth Proportional to 15,539.57, 21,452.55 and 10,530.26

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Solution

The fourth proportional to 15,539.57, 21,452.55 and 10,530.26 is: 14,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.57 : 21,452.55 = 10,530.26 : x
  2. Step 2: Convert to fraction form
    15,539.57/21,452.55 = 10,530.26/x
  3. Step 3: Cross multiply
    15,539.57x = 21,452.55 × 10,530.26
  4. Step 4: Simplify right side
    15,539.57x = 225,900,929.16
  5. Step 5: Solve for x
    x = 225,900,929.16/15,539.57
  6. Step 6: Final answer
    x = 14,537.14

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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.