Home / 15,536.90-21,441.93-9,248.42

Finding the Fourth Proportional to 15,536.90, 21,441.93 and 9,248.42

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Solution

The fourth proportional to 15,536.90, 21,441.93 and 9,248.42 is: 12,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.90 : 21,441.93 = 9,248.42 : x
  2. Step 2: Convert to fraction form
    15,536.90/21,441.93 = 9,248.42/x
  3. Step 3: Cross multiply
    15,536.90x = 21,441.93 × 9,248.42
  4. Step 4: Simplify right side
    15,536.90x = 198,303,974.25
  5. Step 5: Solve for x
    x = 198,303,974.25/15,536.90
  6. Step 6: Final answer
    x = 12,763.42

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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.