Home / 19,612.40-29,418.54-7,925.48

Finding the Fourth Proportional to 19,612.40, 29,418.54 and 7,925.48

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Solution

The fourth proportional to 19,612.40, 29,418.54 and 7,925.48 is: 11,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.40 : 29,418.54 = 7,925.48 : x
  2. Step 2: Convert to fraction form
    19,612.40/29,418.54 = 7,925.48/x
  3. Step 3: Cross multiply
    19,612.40x = 29,418.54 × 7,925.48
  4. Step 4: Simplify right side
    19,612.40x = 233,156,050.40
  5. Step 5: Solve for x
    x = 233,156,050.40/19,612.40
  6. Step 6: Final answer
    x = 11,888.20

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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.