Home / 22,850.89-31,534.05-12,779.35

Finding the Fourth Proportional to 22,850.89, 31,534.05 and 12,779.35

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Solution

The fourth proportional to 22,850.89, 31,534.05 and 12,779.35 is: 17,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,850.89 : 31,534.05 = 12,779.35 : x
  2. Step 2: Convert to fraction form
    22,850.89/31,534.05 = 12,779.35/x
  3. Step 3: Cross multiply
    22,850.89x = 31,534.05 × 12,779.35
  4. Step 4: Simplify right side
    22,850.89x = 402,984,661.87
  5. Step 5: Solve for x
    x = 402,984,661.87/22,850.89
  6. Step 6: Final answer
    x = 17,635.40

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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.