Home / 13,353.02-20,041.63-7,118.26

Finding the Fourth Proportional to 13,353.02, 20,041.63 and 7,118.26

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Solution

The fourth proportional to 13,353.02, 20,041.63 and 7,118.26 is: 10,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.02 : 20,041.63 = 7,118.26 : x
  2. Step 2: Convert to fraction form
    13,353.02/20,041.63 = 7,118.26/x
  3. Step 3: Cross multiply
    13,353.02x = 20,041.63 × 7,118.26
  4. Step 4: Simplify right side
    13,353.02x = 142,661,533.16
  5. Step 5: Solve for x
    x = 142,661,533.16/13,353.02
  6. Step 6: Final answer
    x = 10,683.84

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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.