Home / 12,291.02-18,437.73-4,893.75

Finding the Fourth Proportional to 12,291.02, 18,437.73 and 4,893.75

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Solution

The fourth proportional to 12,291.02, 18,437.73 and 4,893.75 is: 7,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.02 : 18,437.73 = 4,893.75 : x
  2. Step 2: Convert to fraction form
    12,291.02/18,437.73 = 4,893.75/x
  3. Step 3: Cross multiply
    12,291.02x = 18,437.73 × 4,893.75
  4. Step 4: Simplify right side
    12,291.02x = 90,229,641.19
  5. Step 5: Solve for x
    x = 90,229,641.19/12,291.02
  6. Step 6: Final answer
    x = 7,341.10

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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.