Home / 14,408.81-19,885.85-8,036.40

Finding the Fourth Proportional to 14,408.81, 19,885.85 and 8,036.40

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Solution

The fourth proportional to 14,408.81, 19,885.85 and 8,036.40 is: 11,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.81 : 19,885.85 = 8,036.40 : x
  2. Step 2: Convert to fraction form
    14,408.81/19,885.85 = 8,036.40/x
  3. Step 3: Cross multiply
    14,408.81x = 19,885.85 × 8,036.40
  4. Step 4: Simplify right side
    14,408.81x = 159,810,754.67
  5. Step 5: Solve for x
    x = 159,810,754.67/14,408.81
  6. Step 6: Final answer
    x = 11,091.18

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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.