Home / 19,894.78-29,784.57-14,985.10

Finding the Fourth Proportional to 19,894.78, 29,784.57 and 14,985.10

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Solution

The fourth proportional to 19,894.78, 29,784.57 and 14,985.10 is: 22,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.78 : 29,784.57 = 14,985.10 : x
  2. Step 2: Convert to fraction form
    19,894.78/29,784.57 = 14,985.10/x
  3. Step 3: Cross multiply
    19,894.78x = 29,784.57 × 14,985.10
  4. Step 4: Simplify right side
    19,894.78x = 446,324,759.91
  5. Step 5: Solve for x
    x = 446,324,759.91/19,894.78
  6. Step 6: Final answer
    x = 22,434.26

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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.