Home / 20,710.90-31,066.35-14,922.10

Finding the Fourth Proportional to 20,710.90, 31,066.35 and 14,922.10

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Solution

The fourth proportional to 20,710.90, 31,066.35 and 14,922.10 is: 22,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.90 : 31,066.35 = 14,922.10 : x
  2. Step 2: Convert to fraction form
    20,710.90/31,066.35 = 14,922.10/x
  3. Step 3: Cross multiply
    20,710.90x = 31,066.35 × 14,922.10
  4. Step 4: Simplify right side
    20,710.90x = 463,575,181.34
  5. Step 5: Solve for x
    x = 463,575,181.34/20,710.90
  6. Step 6: Final answer
    x = 22,383.15

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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.