Home / 10,302.02-15,433.11-6,781.43

Finding the Fourth Proportional to 10,302.02, 15,433.11 and 6,781.43

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Solution

The fourth proportional to 10,302.02, 15,433.11 and 6,781.43 is: 10,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.02 : 15,433.11 = 6,781.43 : x
  2. Step 2: Convert to fraction form
    10,302.02/15,433.11 = 6,781.43/x
  3. Step 3: Cross multiply
    10,302.02x = 15,433.11 × 6,781.43
  4. Step 4: Simplify right side
    10,302.02x = 104,658,477.98
  5. Step 5: Solve for x
    x = 104,658,477.98/10,302.02
  6. Step 6: Final answer
    x = 10,159.03

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1.5x scale

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.