Home / 19,945.53-29,925.06-12,541.32

Finding the Fourth Proportional to 19,945.53, 29,925.06 and 12,541.32

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Solution

The fourth proportional to 19,945.53, 29,925.06 and 12,541.32 is: 18,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.53 : 29,925.06 = 12,541.32 : x
  2. Step 2: Convert to fraction form
    19,945.53/29,925.06 = 12,541.32/x
  3. Step 3: Cross multiply
    19,945.53x = 29,925.06 × 12,541.32
  4. Step 4: Simplify right side
    19,945.53x = 375,299,753.48
  5. Step 5: Solve for x
    x = 375,299,753.48/19,945.53
  6. Step 6: Final answer
    x = 18,816.23

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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.