Home / 14,256.78-21,385.23-4,899.51

Finding the Fourth Proportional to 14,256.78, 21,385.23 and 4,899.51

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Solution

The fourth proportional to 14,256.78, 21,385.23 and 4,899.51 is: 7,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.78 : 21,385.23 = 4,899.51 : x
  2. Step 2: Convert to fraction form
    14,256.78/21,385.23 = 4,899.51/x
  3. Step 3: Cross multiply
    14,256.78x = 21,385.23 × 4,899.51
  4. Step 4: Simplify right side
    14,256.78x = 104,777,148.24
  5. Step 5: Solve for x
    x = 104,777,148.24/14,256.78
  6. Step 6: Final answer
    x = 7,349.29

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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.