Home / 14,417.82-21,485.43-13,948.02

Finding the Fourth Proportional to 14,417.82, 21,485.43 and 13,948.02

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Solution

The fourth proportional to 14,417.82, 21,485.43 and 13,948.02 is: 20,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.82 : 21,485.43 = 13,948.02 : x
  2. Step 2: Convert to fraction form
    14,417.82/21,485.43 = 13,948.02/x
  3. Step 3: Cross multiply
    14,417.82x = 21,485.43 × 13,948.02
  4. Step 4: Simplify right side
    14,417.82x = 299,679,207.35
  5. Step 5: Solve for x
    x = 299,679,207.35/14,417.82
  6. Step 6: Final answer
    x = 20,785.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.