Home / 14,233.18-19,637.40-9,200.20

Finding the Fourth Proportional to 14,233.18, 19,637.40 and 9,200.20

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Solution

The fourth proportional to 14,233.18, 19,637.40 and 9,200.20 is: 12,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.18 : 19,637.40 = 9,200.20 : x
  2. Step 2: Convert to fraction form
    14,233.18/19,637.40 = 9,200.20/x
  3. Step 3: Cross multiply
    14,233.18x = 19,637.40 × 9,200.20
  4. Step 4: Simplify right side
    14,233.18x = 180,668,007.48
  5. Step 5: Solve for x
    x = 180,668,007.48/14,233.18
  6. Step 6: Final answer
    x = 12,693.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.