Home / 13,030.74-19,556.60-7,412.00

Finding the Fourth Proportional to 13,030.74, 19,556.60 and 7,412.00

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Solution

The fourth proportional to 13,030.74, 19,556.60 and 7,412.00 is: 11,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.74 : 19,556.60 = 7,412.00 : x
  2. Step 2: Convert to fraction form
    13,030.74/19,556.60 = 7,412.00/x
  3. Step 3: Cross multiply
    13,030.74x = 19,556.60 × 7,412.00
  4. Step 4: Simplify right side
    13,030.74x = 144,953,384.36
  5. Step 5: Solve for x
    x = 144,953,384.36/13,030.74
  6. Step 6: Final answer
    x = 11,123.96

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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.