Home / 20,506.36-30,647.16-14,971.36

Finding the Fourth Proportional to 20,506.36, 30,647.16 and 14,971.36

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Solution

The fourth proportional to 20,506.36, 30,647.16 and 14,971.36 is: 22,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.36 : 30,647.16 = 14,971.36 : x
  2. Step 2: Convert to fraction form
    20,506.36/30,647.16 = 14,971.36/x
  3. Step 3: Cross multiply
    20,506.36x = 30,647.16 × 14,971.36
  4. Step 4: Simplify right side
    20,506.36x = 458,829,665.34
  5. Step 5: Solve for x
    x = 458,829,665.34/20,506.36
  6. Step 6: Final answer
    x = 22,374.99

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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.