Home / 13,637.43-20,443.77-4,870.31

Finding the Fourth Proportional to 13,637.43, 20,443.77 and 4,870.31

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Solution

The fourth proportional to 13,637.43, 20,443.77 and 4,870.31 is: 7,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.43 : 20,443.77 = 4,870.31 : x
  2. Step 2: Convert to fraction form
    13,637.43/20,443.77 = 4,870.31/x
  3. Step 3: Cross multiply
    13,637.43x = 20,443.77 × 4,870.31
  4. Step 4: Simplify right side
    13,637.43x = 99,567,395.25
  5. Step 5: Solve for x
    x = 99,567,395.25/13,637.43
  6. Step 6: Final answer
    x = 7,301.04

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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.