Home / 8,709.04-13,034.40-7,148.98

Finding the Fourth Proportional to 8,709.04, 13,034.40 and 7,148.98

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Solution

The fourth proportional to 8,709.04, 13,034.40 and 7,148.98 is: 10,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.04 : 13,034.40 = 7,148.98 : x
  2. Step 2: Convert to fraction form
    8,709.04/13,034.40 = 7,148.98/x
  3. Step 3: Cross multiply
    8,709.04x = 13,034.40 × 7,148.98
  4. Step 4: Simplify right side
    8,709.04x = 93,182,664.91
  5. Step 5: Solve for x
    x = 93,182,664.91/8,709.04
  6. Step 6: Final answer
    x = 10,699.53

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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.