Home / 10,420.02-14,379.65-5,943.66

Finding the Fourth Proportional to 10,420.02, 14,379.65 and 5,943.66

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Solution

The fourth proportional to 10,420.02, 14,379.65 and 5,943.66 is: 8,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.02 : 14,379.65 = 5,943.66 : x
  2. Step 2: Convert to fraction form
    10,420.02/14,379.65 = 5,943.66/x
  3. Step 3: Cross multiply
    10,420.02x = 14,379.65 × 5,943.66
  4. Step 4: Simplify right side
    10,420.02x = 85,467,689.17
  5. Step 5: Solve for x
    x = 85,467,689.17/10,420.02
  6. Step 6: Final answer
    x = 8,202.26

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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.