Home / 13,897.32-20,840.45-8,058.03

Finding the Fourth Proportional to 13,897.32, 20,840.45 and 8,058.03

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Solution

The fourth proportional to 13,897.32, 20,840.45 and 8,058.03 is: 12,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.32 : 20,840.45 = 8,058.03 : x
  2. Step 2: Convert to fraction form
    13,897.32/20,840.45 = 8,058.03/x
  3. Step 3: Cross multiply
    13,897.32x = 20,840.45 × 8,058.03
  4. Step 4: Simplify right side
    13,897.32x = 167,932,931.02
  5. Step 5: Solve for x
    x = 167,932,931.02/13,897.32
  6. Step 6: Final answer
    x = 12,083.84

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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.