Home / 13,637.40-20,444.10-9,240.60

Finding the Fourth Proportional to 13,637.40, 20,444.10 and 9,240.60

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Solution

The fourth proportional to 13,637.40, 20,444.10 and 9,240.60 is: 13,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.40 : 20,444.10 = 9,240.60 : x
  2. Step 2: Convert to fraction form
    13,637.40/20,444.10 = 9,240.60/x
  3. Step 3: Cross multiply
    13,637.40x = 20,444.10 × 9,240.60
  4. Step 4: Simplify right side
    13,637.40x = 188,915,750.46
  5. Step 5: Solve for x
    x = 188,915,750.46/13,637.40
  6. Step 6: Final answer
    x = 13,852.77

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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.