Home / 13,637.02-20,457.86-4,275.24

Finding the Fourth Proportional to 13,637.02, 20,457.86 and 4,275.24

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Solution

The fourth proportional to 13,637.02, 20,457.86 and 4,275.24 is: 6,413.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.02 : 20,457.86 = 4,275.24 : x
  2. Step 2: Convert to fraction form
    13,637.02/20,457.86 = 4,275.24/x
  3. Step 3: Cross multiply
    13,637.02x = 20,457.86 × 4,275.24
  4. Step 4: Simplify right side
    13,637.02x = 87,462,261.39
  5. Step 5: Solve for x
    x = 87,462,261.39/13,637.02
  6. Step 6: Final answer
    x = 6,413.59

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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.