Home / 14,373.12-21,559.41-7,840.89

Finding the Fourth Proportional to 14,373.12, 21,559.41 and 7,840.89

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Solution

The fourth proportional to 14,373.12, 21,559.41 and 7,840.89 is: 11,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.12 : 21,559.41 = 7,840.89 : x
  2. Step 2: Convert to fraction form
    14,373.12/21,559.41 = 7,840.89/x
  3. Step 3: Cross multiply
    14,373.12x = 21,559.41 × 7,840.89
  4. Step 4: Simplify right side
    14,373.12x = 169,044,962.27
  5. Step 5: Solve for x
    x = 169,044,962.27/14,373.12
  6. Step 6: Final answer
    x = 11,761.19

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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.