Home / 14,528.40-21,792.60-11,612.40

Finding the Fourth Proportional to 14,528.40, 21,792.60 and 11,612.40

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Solution

The fourth proportional to 14,528.40, 21,792.60 and 11,612.40 is: 17,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.40 : 21,792.60 = 11,612.40 : x
  2. Step 2: Convert to fraction form
    14,528.40/21,792.60 = 11,612.40/x
  3. Step 3: Cross multiply
    14,528.40x = 21,792.60 × 11,612.40
  4. Step 4: Simplify right side
    14,528.40x = 253,064,388.24
  5. Step 5: Solve for x
    x = 253,064,388.24/14,528.40
  6. Step 6: Final answer
    x = 17,418.60

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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.