Home / 22,445.04-30,972.48-13,011.84

Finding the Fourth Proportional to 22,445.04, 30,972.48 and 13,011.84

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Solution

The fourth proportional to 22,445.04, 30,972.48 and 13,011.84 is: 17,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.04 : 30,972.48 = 13,011.84 : x
  2. Step 2: Convert to fraction form
    22,445.04/30,972.48 = 13,011.84/x
  3. Step 3: Cross multiply
    22,445.04x = 30,972.48 × 13,011.84
  4. Step 4: Simplify right side
    22,445.04x = 403,008,954.16
  5. Step 5: Solve for x
    x = 403,008,954.16/22,445.04
  6. Step 6: Final answer
    x = 17,955.37

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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.