Home / 9,678.63-14,518.02-4,129.11

Finding the Fourth Proportional to 9,678.63, 14,518.02 and 4,129.11

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Solution

The fourth proportional to 9,678.63, 14,518.02 and 4,129.11 is: 6,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.63 : 14,518.02 = 4,129.11 : x
  2. Step 2: Convert to fraction form
    9,678.63/14,518.02 = 4,129.11/x
  3. Step 3: Cross multiply
    9,678.63x = 14,518.02 × 4,129.11
  4. Step 4: Simplify right side
    9,678.63x = 59,946,501.56
  5. Step 5: Solve for x
    x = 59,946,501.56/9,678.63
  6. Step 6: Final answer
    x = 6,193.70

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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.