Home / 13,764.19-19,000.40-9,294.00

Finding the Fourth Proportional to 13,764.19, 19,000.40 and 9,294.00

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Solution

The fourth proportional to 13,764.19, 19,000.40 and 9,294.00 is: 12,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.19 : 19,000.40 = 9,294.00 : x
  2. Step 2: Convert to fraction form
    13,764.19/19,000.40 = 9,294.00/x
  3. Step 3: Cross multiply
    13,764.19x = 19,000.40 × 9,294.00
  4. Step 4: Simplify right side
    13,764.19x = 176,589,576.13
  5. Step 5: Solve for x
    x = 176,589,576.13/13,764.19
  6. Step 6: Final answer
    x = 12,829.64

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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.