Home / 14,077.72-21,012.60-12,417.52

Finding the Fourth Proportional to 14,077.72, 21,012.60 and 12,417.52

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Solution

The fourth proportional to 14,077.72, 21,012.60 and 12,417.52 is: 18,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.72 : 21,012.60 = 12,417.52 : x
  2. Step 2: Convert to fraction form
    14,077.72/21,012.60 = 12,417.52/x
  3. Step 3: Cross multiply
    14,077.72x = 21,012.60 × 12,417.52
  4. Step 4: Simplify right side
    14,077.72x = 260,924,380.75
  5. Step 5: Solve for x
    x = 260,924,380.75/14,077.72
  6. Step 6: Final answer
    x = 18,534.56

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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.