Home / 22,830.56-31,506.08-12,759.00

Finding the Fourth Proportional to 22,830.56, 31,506.08 and 12,759.00

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Solution

The fourth proportional to 22,830.56, 31,506.08 and 12,759.00 is: 17,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,830.56 : 31,506.08 = 12,759.00 : x
  2. Step 2: Convert to fraction form
    22,830.56/31,506.08 = 12,759.00/x
  3. Step 3: Cross multiply
    22,830.56x = 31,506.08 × 12,759.00
  4. Step 4: Simplify right side
    22,830.56x = 401,985,917.19
  5. Step 5: Solve for x
    x = 401,985,917.19/22,830.56
  6. Step 6: Final answer
    x = 17,607.36

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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.