Home / 15,268.02-21,058.98-12,435.48

Finding the Fourth Proportional to 15,268.02, 21,058.98 and 12,435.48

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Solution

The fourth proportional to 15,268.02, 21,058.98 and 12,435.48 is: 17,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.02 : 21,058.98 = 12,435.48 : x
  2. Step 2: Convert to fraction form
    15,268.02/21,058.98 = 12,435.48/x
  3. Step 3: Cross multiply
    15,268.02x = 21,058.98 × 12,435.48
  4. Step 4: Simplify right side
    15,268.02x = 261,878,524.61
  5. Step 5: Solve for x
    x = 261,878,524.61/15,268.02
  6. Step 6: Final answer
    x = 17,152.09

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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.