Home / 18,837.02-28,254.80-5,689.04

Finding the Fourth Proportional to 18,837.02, 28,254.80 and 5,689.04

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Solution

The fourth proportional to 18,837.02, 28,254.80 and 5,689.04 is: 8,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.02 : 28,254.80 = 5,689.04 : x
  2. Step 2: Convert to fraction form
    18,837.02/28,254.80 = 5,689.04/x
  3. Step 3: Cross multiply
    18,837.02x = 28,254.80 × 5,689.04
  4. Step 4: Simplify right side
    18,837.02x = 160,742,517.67
  5. Step 5: Solve for x
    x = 160,742,517.67/18,837.02
  6. Step 6: Final answer
    x = 8,533.33

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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.