Home / 13,323.08-18,388.02-7,946.20

Finding the Fourth Proportional to 13,323.08, 18,388.02 and 7,946.20

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Solution

The fourth proportional to 13,323.08, 18,388.02 and 7,946.20 is: 10,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.08 : 18,388.02 = 7,946.20 : x
  2. Step 2: Convert to fraction form
    13,323.08/18,388.02 = 7,946.20/x
  3. Step 3: Cross multiply
    13,323.08x = 18,388.02 × 7,946.20
  4. Step 4: Simplify right side
    13,323.08x = 146,114,884.52
  5. Step 5: Solve for x
    x = 146,114,884.52/13,323.08
  6. Step 6: Final answer
    x = 10,967.05

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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.