Home / 10,509.02-15,769-9,903.96

Finding the Fourth Proportional to 10,509.02, 15,769 and 9,903.96

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Solution

The fourth proportional to 10,509.02, 15,769 and 9,903.96 is: 14,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.02 : 15,769 = 9,903.96 : x
  2. Step 2: Convert to fraction form
    10,509.02/15,769 = 9,903.96/x
  3. Step 3: Cross multiply
    10,509.02x = 15,769 × 9,903.96
  4. Step 4: Simplify right side
    10,509.02x = 156,175,545.24
  5. Step 5: Solve for x
    x = 156,175,545.24/10,509.02
  6. Step 6: Final answer
    x = 14,861.10

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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.